
Plant Encyclopedia
Scientific names: C 2205 plants
- Cabomba caroliniana ("Fusajunsai")
- Caesalpinia bonduc ("Shirotsubu")
- Caesalpinia crista ("Nantenkazura")
- Caesalpinia decapetala var. japonica ("Jaketsuibara")
- Caesalpinia major ("Hasunomikazura")
- Caesalpinia pulcherrima (pride of Barbados, "Ogocho")
- Cajanus scarabaeoides
- Cakile edentula (American searocket, "Onihamadaikon")
- Caladium (genus, angel wings)
- Calamagrostis adpressiramea ("Kobananogariyasu")
- Calamagrostis autumnalis
- Calamagrostis autumnalis subsp. anutumnalis ("Kirishimanogariyasu")
- Calamagrostis autumnalis subsp. insularis ("Shimanogariyasu")
- Calamagrostis brachytricha
- Calamagrostis brachytricha var. brachytricha (foxtail grass, "Nogariyasu")
- Calamagrostis brachytricha var. ciliata ("Taiwansaitogaya")
- Calamagrostis brachytricha var. inaequata ("Saishunogariyasu")
- Calamagrostis brachytricha × Calamagrostis hakonensis ("Oganogariyasu")
- Calamagrostis epigeios (wood small-reed, "Yamaawa")
- Calamagrostis fauriei ("Kanitsurinogariyasu")
- Calamagrostis gigas ("Oninogariyasu")
- Calamagrostis hakonensis ("Himenogariyasu")
- Calamagrostis longiseta ("Higenogariyasu")
- Calamagrostis masamunei ("Yakushimanogariyasu")
- Calamagrostis matsumurae ("Mutsunogariyasu")
- Calamagrostis matsumurae × Calamagrostis purpurea subsp. langsdorfii ("Muramatsunogariyasu")
- Calamagrostis nana
- Calamagrostis nana subsp. hayachinensis ("Zaratsukihinagariyasu")
- Calamagrostis nana subsp. nana ("Hinagariyasu")
- Calamagrostis nana subsp. ohminensis ("Ominehinanogariyasu")
- Calamagrostis onibitoana ("Unzennogariyasu")
- Calamagrostis pseudophragmites ("Hossugaya")
- Calamagrostis purpurea subsp. langsdorfii ("Iwanogariyasu")
- Calamagrostis purpurea subsp. langsdorfii × Calamagrostis sachalinensis ("Goyozangariyasu")
- Calamagrostis sachalinensis ("Takanenogariyasu")
- Calamagrostis sesquiflora subsp. urelytra ("Miyamanogariyasu")
- Calamagrostis stricta subsp. inexpansa ("Chishimagariyasu")
- Calamagrostis tashiroi
- Calamagrostis tashiroi subsp. sikokiana ("Shikokunogariyasu")
- Calamagrostis tashiroi subsp. tashiroi
- Calamagrostis × aristata ("Shikokugariyasu")
- Calamagrostis × grandiseta ("Ohigegariyasu")
- Calamagrostis × microtis ("Kujunogariyasu")
- Calamagrostis × yatabei ("Yamaawamodoki")
- Calanthe alismifolia ("Darumaebine")
- Calanthe alismifolia × Calanthe triplicata ("Odarumaebine")
- Calanthe alpina ("Kisoebine")
- Calanthe amamiana
- Calanthe aristulifera ("Kirishimaebine")
- Calanthe aristulifera × Calanthe discolor ("Hizen'ebine")
- Calanthe aristulifera × Calanthe discolor × Calanthe striata ("Satsumaebine")
- Calanthe aristulifera × Calanthe striata ("Kibanakirishimaebine")
- Calanthe davidii var. bungoana ("Taganeran")
- Calanthe densiflora ("Tamazakiebine")
- Calanthe discolor
- Calanthe discolor var. discolor ("Ebine")
- Calanthe discolor var. discolor f. rosea ("Akaebine")
- Calanthe discolor var. discolor f. rufoaurantiaca ("Daidaiebine")
- Calanthe discolor var. discolor f. trilabellata ("Kinutaebine")
- Calanthe discolor var. discolor f. tyo-harae ("Akakuraebine")
- Calanthe discolor var. discolor f. viridialba ("Yabuebine")
- Calanthe discolor var. divaricatipetala ("Hanojiebine")
- Calanthe discolor var. kanashiroi ("Katsudakeebine")
- Calanthe discolor × Calanthe izuinsularis ("Kozuebine")
- Calanthe discolor × Calanthe striata ("Takane")
- Calanthe formosana ("Taiwan'ebine")
- Calanthe hattorii ("Asahiebine")
- Calanthe izuinsularis ("Okirishimaebine")
- Calanthe lyroglossa ("Rengyoebine")
- Calanthe mannii ("Sakurajimaebine")
- Calanthe masuca ("Onagaebine")
- Calanthe masuca f. albiflora ("Shirobanaonagaebine")
- Calanthe nipponica ("Kinseiran")
- Calanthe puberula
- Calanthe puberula var. okushirensis ("Okushiriebine")
- Calanthe puberula var. reflexa ("Natsuebine")
- Calanthe striata ("Kiebine")
- Calanthe tokunoshimensis
- Calanthe tricarinata ("Sarumen'ebine")
- Calanthe triplicata ("Tsururan")
- Calanthe ×dominii ("Ryukyuebine")
- Calathea (genus)
- Calceolaria mexicana
- Caldesia parnassiifolia ("Marubaomodaka")
- Caldesia parnassiifolia f. natans ("Ukimarubaomodaka")
- Calendula (genus)
- Calendula arvensis (field marigold, "Himekinsenka")
- Calendula officinalis (pot marigold, "Tokinsenka")
- Calibrachoa (genus)
- Calla palustris (water arum, "Himekaiu")
- Callerya reticulata (evergreen wisteria, "Murasakinatsufuji")
- Calliandra brevipes (pink powderpuff, "Tokiwanemu")
- Calliandra eriophylla (fairy duster, "Benigokan")
- Calliandra tweedii
- Callianthemum hondoense ("Kitadakeso")
- Callianthemum kirigishiense
- Callianthemum miyabeanum ("Hidakaso")
- Callicarpa americana (American beautyberry)
- Callicarpa dichotoma (Chinese beautyberry, "Komurasaki")
- Callicarpa dichotoma f. albifructa ("Shirominokomurasaki")
- Callicarpa formosana ("Horaimurasaki")
- Callicarpa glabra ("Shimamurasaki")
- Callicarpa japonica
- Callicarpa japonica var. japonica (Japanese beautyberry, "Murasakishikibu")
- Callicarpa japonica var. japonica f. albibacca ("Shiroshikibu")
- Callicarpa japonica var. japonica f. albiflora ("Shirobanamurasakishikibu")
- Callicarpa japonica var. japonica f. angustata ("Nagabamurasakishikibu")
- Callicarpa japonica var. japonica f. microcarpa ("Kominomurasakishikibu")
- Callicarpa japonica var. japonica f. taquetii ("Kobamurasakishikibu")
- Callicarpa japonica var. luxurians ("Omurasakishikibu")
- Callicarpa japonica var. luxurians f. albifructa ("Oshiroshikibu")
- Callicarpa kochiana
- Callicarpa longissima ("Takakumamurasaki")
- Callicarpa mollis ("Yabumurasaki")
- Callicarpa mollis f. albifructa ("Shirominoyabumurasaki")
- Callicarpa mollis f. ramosissima ("Nagabayabumurasaki")
- Callicarpa oshimensis
- Callicarpa oshimensis var. iriomotensis ("Iriomotemurasaki")
- Callicarpa oshimensis var. okinawensis ("Okinawayabumurasaki")
- Callicarpa oshimensis var. oshimensis
- Callicarpa parvifolia ("Urajirokomurasaki")
- Callicarpa shikokiana (Shikoku beautyberry, "Tosamurasaki")
- Callicarpa shikokiana f. albiflora ("Shirobanatosamurasaki")
- Callicarpa subpubescens ("Obashimamurasaki")
- Callicarpa × shirasawana ("Inumurasakishikibu")
- Callicarpa × tosaensis ("Obamurasaki")
- Callistemon citrinus (common red bottlebrush, "Hanamaki")
- Callistemon rigidus (stiff bottlebrush, "Makibaburashinoki")
- Callistemon salignus (white bottlebrush, "Shirobanaburashinoki")
- Callistemon speciosus (Albany bottlebrush, "Burashinoki")
- Callistemon viminalis (weeping bottlebrush, "Shidarehanamaki")
- Callistephus chinensis (China aster, "Ezogiku")
- Callistopteris apiifolia ("Kikumobahoragoke")
- Callitriche hermaphroditica ("Chishimamizuhakobe")
- Callitriche japonica ("Awagoke")
- Callitriche palustris
- Callitriche palustris var. elegans ("Manshumizuhakobe")
- Callitriche palustris var. oryzetorum ("Nangokumizuhakobe")
- Callitriche palustris var. palustris ("Mizuhakobe")
- Callitriche stagnalis ("Ikenomizuhakobe")
- Callitriche terrestris ("Amerikaawagoke")
- Calluna vulgaris (common heather)
- Calocedrus decurrens (incense cedar, "Onihiba")
- Calophyllum inophyllum (Alexandrian laurel, "Terihaboku")
- Calopogonium mucunoides ("Kuzumodoki")
- Calotis cuneifolia ("Igagiku")
- Caltha fistulosa ("Ezonoryukinka")
- Caltha palustris
- Caltha palustris var. enkoso ("Enkoso")
- Caltha palustris var. nipponica ("Ryukinka")
- Caltha palustris var. pygmaea ("Kobanoryukinka")
- Calycanthus chinensis ("Natsurobai")
- Calycanthus floridus var. floridus (Carolina allspice, "Kurobanarobai")
- Calypso bulbosa
- Calypso bulbosa var. bulbosa ("Himehoteiran")
- Calypso bulbosa var. bulbosa f. albiflora ("Shirobanahimehoteiran")
- Calypso bulbosa var. speciosa ("Hoteiran")
- Calyptocarpus vialis ("Tsurusendangusa")
- Calystegia hederacea ("Kohirugao")
- Calystegia hederacea f. sakuraii ("Shirobanakohirugao")
- Calystegia hederacea × Calystegia pubescens ("Ainokohirugao")
- Calystegia pubescens ("Hirugao")
- Calystegia pubescens f. albiflora ("Shirobanahirugao")
- Calystegia pubescens f. major ("Hirugao")
- Calystegia pubescens × Calystegia soldanella ("Marubahirugao")
- Calystegia sepium subsp. spectabilis ("Hirohahirugao")
- Calystegia soldanella ("Hamahirugao")
- Calystegia soldanella f. albiflora ("Shirobanahamahirugao")
- Calystegia soldanella f. rubriflora ("Benibanahamahirugao")
- Camassia (genus, Indian hyacinth)
- Camassia leichtlinii (great camas, "Ohinayuri")
- Camelina microcarpa ("Himeamanazuna")
- Camelina sativa ("Nagaminoamanazuna")
- Camellia (genus, "Tsubaki")
- Camellia brevistyla ("Shimasazanka")
- Camellia japonica
- Camellia japonica var. japonica (common camellia, "Yabutsubaki")
- Camellia japonica var. japonica f. leucantha ("Shirobanayabutsubaki")
- Camellia japonica var. macrocarpa ("Yakushimatsubaki")
- Camellia japonica ‘Otome’ ("Otometsubaki")
- Camellia lutchuensis ("Himesazanka")
- Camellia rusticana (snow camellia, "Yukitsubaki")
- Camellia rusticana f. kagamontana ("Yaenoyukitsubaki")
- Camellia rusticana f. leucantha ("Shirobanayukitsubaki")
- Camellia sasanqua (sasanqua camellia, "Sazanka")
- Camellia sasanqua ‘Shishigashira’ ("Kantsubaki")
- Camellia sinensis (tea, "Chanoki")
- Camellia × intermedia ("Yukibatatsubaki")
- Campanula (genus)
- Campanula chamissonis ("Chishimagikyo")
- Campanula chamissonis f. albiflora ("Shirobanachishimagikyo")
- Campanula glomerata (clustered bellflower, "Rindozakikanpanyura")
- Campanula glomerata subsp. cephalotes ("Yatsushiroso")
- Campanula glomerata subsp. cephalotes f. alba ("Shirobanayatsushiroso")
- Campanula glomerata subsp. glomerata ("Hanayatsushiroso")
- Campanula lasiocarpa (mountain harebell, "Iwagikyo")
- Campanula lasiocarpa f. albiflora ("Shirobanaiwagikyo")
- Campanula medium (Canterbury bells, "Furinso")
- Campanula microdonta ("Shimahotarubukuro")
- Campanula microdonta × Campanula punctata var. hondoensis ("Manazuruhotarubukuro")
- Campanula persicifolia (peach-leaved bellflower, "Momobagikyo")
- Campanula portenschlagiana (Dalmation bellflower, "Otomegikyo")
- Campanula poscharskyana (Serbian bellflower, "Hoshigikyo")
- Campanula punctata
- Campanula punctata var. hondoensis ("Yamahotarubukuro")
- Campanula punctata var. hondoensis f. albiflora ("Shirobanayamahotarubukuro")
- Campanula punctata var. punctata (spotted bellflower, "Hotarubukuro")
- Campanula punctata var. punctata f. inpunctata ("Funashihotarubukuro")
- Campanula punctata var. punctata f. lucida ("Terihahotarubukuro")
- Campanula punctata var. punctata f. rubriflora ("Murasakihotarubukuro")
- Campanula rapunculoides (creeping bellflower, "Hatazaogikyo")
- Campanula rapunculus (rampion)
- Campsis grandiflora (Chinese trumpet vine, "Nozenkazura")
- Campsis radicans (trumpet vine, "Amerikanozenkazura")
- Campsis ×tagliabuana ("Ainokonozenkazura")
- Campuloclinium macrocephalum (pompom weed, "Ponpon'azami")
- Campylotropis macrocarpa var. hupehensis ("Tonpohagi")
- Campylotropis macrocarpa var. macrocarpa ("Hanahagi")
- Campylotropis polyantha ("Unnanhagi")
- Cananga odorata (Ylang-Ylang)
- Canarium luzonicum (elemi)
- Canavalia cathartica ("Takanatamame")
- Canavalia gladiata (sword bean, "Natamame")
- Canavalia lineata ("Hamanatamame")
- Canavalia lineata f. albiflora ("Shirobanahamanatamame")
- Canavalia rosea ("Nagamihamanatamame")
- Canna (genus)
- Canna indica (Indian shot, "Dandoku")
- Canna indica var. flava ("Kibanadandoku")
- Canna indica var. indica ("Akabanadandoku")
- Canna indica var. warszewiczii ("Murasakidandoku")
- Cannabis sativa ("Asa")
- Capilipedium kwashotense ("Kashoaburasusuki")
- Capilipedium parviflorum ("Himeaburasusuki")
- Capilipedium parviflorum f. villosulus ("Chosenhimeaburasusuki")
- Capilipedium parviflorum f. violascens ("Murasakihimeaburasusuki")
- Capilipedium parviflorum f. viviparum ("Komochihimeaburasusuki")
- Capilipedium spicigerum ("Ryukyuhimeaburasusuki")
- Capsella bursa-pastoris (shepherd's purse, "Nazuna")
- Capsella bursa-pastoris var. bursa-pastoris ("Hosominazuna")
- Capsella bursa-pastoris var. triangularis (shepherd's purse, "Nazuna")
- Capsella grandiflora ("Obananazuna")
- Capsella rubella
- Capsicum annuum (capsicum pepper, "Togarashi")
- Capsicum annuum
- Capsicum annuum Grossum Group ("Shishitogarashi")
- Capsicum annuum Grossum Group
- Capsicum annuum Grossum Group ("Papurika")
- Capsicum chinense Habanero Group ("Habanero")
- Capsicum frutescens ("Kidachitogarashi")
- Caragana sinica (Chinese pea tree, "Muresuzume")
- Cardamine anemonoides ("Mitsubakonronso")
- Cardamine anemonoides f. suavis ("Hitotsubakonronso")
- Cardamine appendiculata ("Hirohakonronso")
- Cardamine arakiana ("Omarubakonronso")
- Cardamine autumnalis ("Akinotanetsukebana")
- Cardamine debilis ("Kotanetsukebana")
- Cardamine dentipetala
- Cardamine dentipetala var. dentipetala ("Oketanetsukebana")
- Cardamine dentipetala var. longifructa ("Nishinootanetsukebana")
- Cardamine fallax ("Tachitanetsukebana")
- Cardamine hirsuta (hairy bittercress, "Michitanetsukebana")
- Cardamine impatiens
- Cardamine impatiens var. impatiens (narrowleaf bittercress, "Janinjin")
- Cardamine impatiens var. longipes ("Nagaejaninjin")
- Cardamine kiusiana ("Takachihogarashi")
- Cardamine leucantha
- Cardamine leucantha var. glaberrima ("Hadakakonronso")
- Cardamine leucantha var. leucantha ("Konronso")
- Cardamine lyrata ("Mizutagarashi")
- Cardamine niigatensis ("Koshijitanetsukebana")
- Cardamine nipponica ("Miyamatanetsukebana")
- Cardamine pratensis ("Hanatanetsukebana")
- Cardamine regeliana ("Obatanetsukebana")
- Cardamine schinziana ("Ezonojaninjin")
- Cardamine schinziana f. lasiocarpa ("Keezonojaninjin")
- Cardamine scutata
- Cardamine scutata var. latifolia ("Mizutanetsukebana")
- Cardamine scutata var. scutata ("Tanetsukebana")
- Cardamine tanakae ("Marubakonronso")
- Cardamine torrentis ("Okuyamagarashi")
- Cardamine trifida ("Miyauchiso")
- Cardamine valida ("Ainugarashi")
- Cardamine yezoensis ("Ezowasabi")
- Cardiandra alternifolia
- Cardiandra alternifolia var. alternifolia ("Kusaajisai")
- Cardiandra alternifolia var. alternifolia f. formosa ("Hanakusaajisai")
- Cardiandra alternifolia var. alternifolia f. multiplex ("Yorakukusaajisai")
- Cardiandra alternifolia var. alternifolia f. oppositifolia ("Miyamakusaajisai")
- Cardiandra alternifolia var. hakonensis ("Hakonekusaajisai")
- Cardiandra amamiohsimensis
- Cardiandra moellendorffii ("Okusaajisai")
- Cardiocrinum cordatum
- Cardiocrinum cordatum var. cordatum ("Ubayuri")
- Cardiocrinum cordatum var. glehnii ("Obayuri")
- Cardiospermum halicacabum (balloon plant, "Fusenkazura")
- Cardiospermum halicacabum var. microcarpum ("Kofusenkazura")
- Carduus crispus (curly plumeless thistle, "Hireazami")
- Carduus crispus f. albus ("Shirobanahireazami")
- Carduus pycnocephalus ("Himehireazami")
- Carduus tenuiflorus ("Inuhireazami")
- Carex aequialta ("Todasuge")
- Carex akiensis ("Akiaosuge")
- Carex alliiformis ("Ryukyusuge")
- Carex alopeculoides
- Carex alopeculoides var. alopeculoides ("Ainokoshirasuge")
- Carex alopeculoides var. chlorostachya ("Shirasuge")
- Carex angustisquama ("Yamatanukiran")
- Carex angustisquama × Carex otayae ("Nagaeyamatanukiran")
- Carex annectans ("Amerikamikoshigaya")
- Carex aphanolepis ("Enashihigokusa")
- Carex aphyllopus
- Carex aphyllopus subsp. aphyllopus ("Tateyamasuge")
- Carex aphyllopus subsp. impura ("Hiruzensuge")
- Carex apoiensis
- Carex arenicola ("Kurokawazusuge")
- Carex argyi ("Wandosuge")
- Carex arisanensis
- Carex athrostachya ("Himeyagamisuge")
- Carex augustini ("Uminosachisuge")
- Carex augustinowiczii
- Carex augustinowiczii var. augustinowiczii ("Hiragishisuge")
- Carex augustinowiczii var. sharensis ("Sharisuge")
- Carex autumnalis ("Onakirisuge")
- Carex bebbii ("Kotsubuamerikayagamisuge")
- Carex benkei
- Carex bigelowii ("Ohagurosuge")
- Carex bitchuensis
- Carex biwensis ("Matsubasuge")
- Carex blepharicarpa ("Shojosuge")
- Carex bohemica ("Kayatsurisuge")
- Carex bostrychostigma ("Yamajisuge")
- Carex brevior ("Hiremiyagamisuge")
- Carex breviscapa ("Okinawasuge")
- Carex brownii ("Awabosuge")
- Carex brunnea ("Kogomesuge")
- Carex brunnescens subsp. pacifica ("Himekawazusuge")
- Carex buxbaumii ("Tarumaisuge")
- Carex canescens ("Hakusansuge")
- Carex capillacea
- Carex capillacea var. capillacea ("Hariganesuge")
- Carex capillacea var. sachalinensis ("Michinokuharisuge")
- Carex capillaris subsp. chlorostachys ("Takaneshibasuge")
- Carex capricornis ("Jorosuge")
- Carex caryophyllea var. microtricha ("Chashibasuge")
- Carex cespitosa
- Carex cespitosa var. cespitosa ("Kabusuge")
- Carex cespitosa var. minuta ("Kuromesuge")
- Carex chichijimensis
- Carex chinoi ("Tateshinahimesuge")
- Carex chrysolepis ("Koiwakansuge")
- Carex ciliatomarginata ("Ketaganeso")
- Carex cinerascens ("Numaazesuge")
- Carex clivorum ("Yamaoitosuge")
- Carex collifera ("Ryukyuhiesuge")
- Carex conica
- Carex conica var. conica ("Himekansuge")
- Carex conica var. scabrocaudata ("Tokarakansuge")
- Carex conicoides ("Watarisuge")
- Carex crawfordii ("Kushiroyagamisuge")
- Carex cruciata ("Hanabisuge")
- Carex curvicollis ("Narukosuge")
- Carex curvicollis × Carex forficula ("Tanigawanaruko")
- Carex daisenensis
- Carex deweyana subsp. senanensis ("Hosuge")
- Carex diandra ("Kuriirosuge")
- Carex dickinsii ("Onisuge")
- Carex dimorpholepis ("Azenaruko")
- Carex discoidea
- Carex discoidea var. discoidea ("Himeaosuge")
- Carex discoidea var. perangusta ("Yakushimaitosuge")
- Carex dispalata ("Kasasuge")
- Carex disperma ("Hososuge")
- Carex dissitiflora ("Miyamajuzusuge")
- Carex doenitzii ("Kotanukiran")
- Carex doenitzii × Carex otayae ("Nagaekotanukiran")
- Carex dolichostachya ("Nagabosuge")
- Carex dolichostachya f. connatisquama ("Okinawanagabosuge")
- Carex duvaliana ("Kesuge")
- Carex duvaliana × Carex pisiformis ("Sayagehonmonjisuge")
- Carex echinata ("Kitanokawazusuge")
- Carex eleusinoides ("Himeazesuge")
- Carex fernaldiana ("Itosuge")
- Carex fibrillosa ("Hamaaosuge")
- Carex filipes
- Carex filipes var. arakiana ("Hirohanootamatsurisuge")
- Carex filipes var. filipes ("Tamatsurisuge")
- Carex filipes var. kuzakaiensis ("Okutamatsurisuge")
- Carex filipes var. rouyana ("Otamatsurisuge")
- Carex filipes var. tremula ("Himejuzusuge")
- Carex fissa ("Oamerikamikoshigaya")
- Carex flabellata ("Yamatekirisuge")
- Carex flavocuspis
- Carex flavocuspis var. flavocuspis ("Miyamakurosuge")
- Carex flavocuspis var. platycarpa ("Chairotanukiran")
- Carex flavocuspis × Carex stenantha ("Hiromiiwasuge")
- Carex foenea ("Tamanoyagamisuge")
- Carex foliosissima
- Carex foliosissima var. foliosissima ("Okunokansuge")
- Carex foliosissima var. pallidivaginata ("Usuirokunokansuge")
- Carex forficula
- Carex forficula var. forficula ("Tanigawasuge")
- Carex forficula var. scabrida ("Otanigawasuge")
- Carex forficula × Carex otaruensis ("Tanigawaotarusuge")
- Carex forficula × Carex sadoensis ("Tanigawasadosuge")
- Carex formosensis ("Taiwansuge")
- Carex frankii ("Enokorosuge")
- Carex fulta ("Nikkoharisuge")
- Carex geihokuensis
- Carex genkaiensis
- Carex gibba ("Masukusa")
- Carex gifuensis var. gifuensis ("Kurohinasuge")
- Carex glabrescens ("Sunajisuge")
- Carex globularis ("Tonakaisuge")
- Carex gmelinii ("Nemurosuge")
- Carex grallatoria
- Carex grallatoria var. grallatoria ("Hinasuge")
- Carex grallatoria var. heteroclita ("Sanagisuge")
- Carex gravida ("Sayashirosuge")
- Carex gynocrates ("Kanchisuge")
- Carex hachijoensis
- Carex hakkodensis ("Itokinsuge")
- Carex hakonemontana
- Carex hakonensis ("Koharisuge")
- Carex hashimotoi ("Sayamasuge")
- Carex hattoriana ("Muninnakirisuge")
- Carex heterolepis ("Yamaazesuge")
- Carex hirtifructus ("Tsukubasuge")
- Carex hondoensis ("Aizusuge")
- Carex hoozanensis ("Hozansuge")
- Carex humilis
- Carex humilis var. callitrichos ("Itohikagesuge")
- Carex humilis var. nana ("Hosobahikagesuge")
- Carex hymenodon ("Yamakubosuge")
- Carex idzuroei ("Umasuge")
- Carex incisa ("Kawarasuge")
- Carex incisa × Carex otayae ("Nagaekawarasuge")
- Carex insaniae
- Carex insaniae var. insaniae ("Hirobasuge")
- Carex insaniae var. insaniae f. angustifolia ("Kohirobasuge")
- Carex insaniae var. papillaticulmis ("Aobasuge")
- Carex insaniae var. subdita ("Aohiesuge")
- Carex ischnostachya
- Carex ischnostachya var. fastigiata ("Okinawajuzusuge")
- Carex ischnostachya var. ischnostachya ("Juzusuge")
- Carex jacens ("Hagakuresuge")
- Carex japonica ("Higokusa")
- Carex jubozanensis ("San'inhiesuge")
- Carex kabanovii ("Yarisuge")
- Carex kagoshimensis ("Setochisuge")
- Carex kamagariensis ("Akiitosuge")
- Carex karashidaniensis ("Iseaosuge")
- Carex kiotensis ("Tekirisuge")
- Carex kobomugi (Japanese sedge)
- Carex koyaensis
- Carex koyaensis var. koyaensis
- Carex koyaensis var. yakushimensis ("Kokehariganesuge")
- Carex kujuzana
- Carex lachenalii ("Takaneyagamisuge")
- Carex laevissima ("Himemikoshigaya")
- Carex laevivaginata ("Seitakakawazusuge")
- Carex lanceolata ("Hikagesuge")
- Carex lasiocarpa subsp. occultans ("Mujinasuge")
- Carex lasiolepis ("Azumasuge")
- Carex laticeps ("Omugisuge")
- Carex latisquamea ("Hatabesuge")
- Carex laxa ("Itonarukosuge")
- Carex leavenworthii
- Carex lehmannii ("Senjosuge")
- Carex lenta
- Carex lenta var. filiculmis ("Itoaosuge")
- Carex lenta var. horikawae ("Misen'aosuge")
- Carex lenta var. lenta ("Nakirisuge")
- Carex lenta var. leucochlora ("Aosuge")
- Carex lenta var. morrisonicola ("Niitakasuge")
- Carex lenta var. sendaica ("Sendaisuge")
- Carex lenta var. setouchiensis ("Setochikoaosuge")
- Carex leporina
- Carex leucochlora
- Carex leucochlora var. aphanandra ("Meaosuge")
- Carex ligulata ("Satsumasuge")
- Carex limosa ("Yachisuge")
- Carex lithophila ("Asamasuge")
- Carex livida ("Musensuge")
- Carex loliacea ("Akansuge")
- Carex lonchophora ("Oaosuge")
- Carex longirostrata
- Carex longirostrata var. longirostrata ("Hiesuge")
- Carex longirostrata var. tenuistachya ("Chuzenjisuge")
- Carex longistipes ("Taiwankansuge")
- Carex lyngbyei
- Carex lyngbyei var. lyngbyei ("Yaramesuge")
- Carex lyngbyei var. prionocarpa ("Karafutoyaramesuge")
- Carex maackii ("Yagamisuge")
- Carex mackenziei ("Norugesuge")
- Carex macrandrolepis ("Katasuge")
- Carex macrocephala ("Ezonokobomugi")
- Carex maculata
- Carex maculata var. maculata ("Tachisuge")
- Carex maculata var. tatsuoi ("Ryukyutachisuge")
- Carex magellanica subsp. irrigua ("Dakesuge")
- Carex makinoensis ("Iwakansuge")
- Carex matsumurae ("Kinokunisuge")
- Carex maximowiczii
- Carex maximowiczii var. levisaccus ("Hoshinashigoso")
- Carex maximowiczii var. maximowiczii ("Goso")
- Carex maximowiczii var. suifunensis ("Chosengoso")
- Carex mayebarana ("Kehiesuge")
- Carex melanocarpa ("Takanehimesuge")
- Carex meridiana ("Isoaosuge")
- Carex mertensii var. urostachys ("Kinchakusuge")
- Carex metallica ("Fusasuge")
- Carex meyeriana ("Numakurobosuge")
- Carex michauxiana subsp. asiatica ("Mitakesuge")
- Carex micropoda ("Kokinsuge")
- Carex microptera ("Kuroyagamisuge")
- Carex middendorffii ("Tomarisuge")
- Carex mira ("Sawahimesuge")
- Carex misandra ("Himetanukiran")
- Carex mitrata
- Carex mitrata var. aristata ("Nogenukasuge")
- Carex mitrata var. bingoensis ("Bingonukasuge")
- Carex mitrata var. mitrata ("Nukasuge")
- Carex miyabei
- Carex mochomuensis ("Akizakibakeisuge")
- Carex mollicula ("Himeshirasuge")
- Carex morrowii
- Carex morrowii var. laxa ("Yakushimakansuge")
- Carex morrowii var. morrowii ("Kansuge")
- Carex morrowii var. morrowii f. expallida ("Fuirikansuge")
- Carex morrowii var. temnolepis ("Hosobakansuge")
- Carex multifolia
- Carex multifolia var. glaberrima ("Kenashimiyamakansuge")
- Carex multifolia var. imbecillis ("Yawaramiyamakansuge")
- Carex multifolia var. multifolia ("Miyamakansuge")
- Carex multifolia var. pallidisquama ("Aomiyamakansuge")
- Carex multifolia var. toriiana ("Komiyamakansuge")
- Carex nachiana ("Kishunakirisuge")
- Carex nebraskensis ("Neburasukasuge")
- Carex nemostachys ("Akikasasuge")
- Carex nemurensis ("Hosobaozenumasuge")
- Carex nervata ("Shibasuge")
- Carex neurocarpa ("Mikoshigaya")
- Carex noguchii ("Shimotsukeharisuge")
- Carex nubigena subsp. albata
- Carex nubigena subsp. albata var. albata ("Minoborosuge")
- Carex nubigena subsp. albata var. franchetiana ("Tsukushiminoborosuge")
- Carex odontostoma ("Miyamaiwasuge")
- Carex okuboi ("Shimatanukiran")
- Carex oligosperma subsp. tsuishikarensis ("Horomuikugu")
- Carex olivacea subsp. confertiflora ("Miyamashirasuge")
- Carex omiana
- Carex omiana var. monticola ("Kawazusuge")
- Carex omiana var. omiana ("Yachikawazusuge")
- Carex omiana var. yakushimana ("Chabokawazusuge")
- Carex omurae ("Surugasuge")
- Carex onoei ("Hikageharisuge")
- Carex oshimensis
- Carex oshimensis f. variegata ("Fuirioshimakansuge")
- Carex otaruensis
- Carex otaruensis var. kadzuoana ("Mikawanaruko")
- Carex otaruensis var. otaruensis
- Carex otaruensis × Carex thunbergii
- Carex otayae ("Nagaesuge")
- Carex otayae × Carex podogyna ("Nagaetanukiran")
- Carex otayae ×Carex sadoensis ("Nagaesadosuge")
- Carex oxyandra
- Carex oxyandra var. lanceata ("Nagamihimesuge")
- Carex oxyandra var. oxyandra ("Himesuge")
- Carex pachygyna ("Sasanohasuge")
- Carex pallida ("Usuirosuge")
- Carex pansa ("Makibakurokawazusuge")
- Carex papulosa ("Ezotsurisuge")
- Carex parciflora
- Carex parciflora var. macroglossa ("Kojuzusuge")
- Carex parciflora var. macroglossa f. subsessilis ("Mugisuge")
- Carex parciflora var. parciflora
- Carex parciflora var. tsukudensis ("Hirohanokojuzusuge")
- Carex parciflora var. vaniotii ("Nagabonokojuzusuge")
- Carex pauciflora ("Takaneharisuge")
- Carex paxii ("Kibinominoborosuge")
- Carex peiktusanii ("Manshukurokawasuge")
- Carex pellita
- Carex perfusca var. japonalpina ("Kurobosuge")
- Carex persistens ("Kinkikasasuge")
- Carex phacota ("Himegoso")
- Carex phaeodon ("Hashinagakansuge")
- Carex phyllocephala ("Tenjikusuge")
- Carex pilosa ("Sapporosuge")
- Carex pisiformis ("Honmonjisuge")
- Carex planata ("Takanemasukusa")
- Carex planiculmis
- Carex planiculmis var. planiculmis ("Hikageshirasuge")
- Carex planiculmis var. urasawae ("Chichibushirasuge")
- Carex poculisquama ("Akanesuge")
- Carex podogyna ("Tanukiran")
- Carex polyschoena ("Shirohonmonjisuge")
- Carex pseudocuraica ("Tsurusuge")
- Carex pseudocyperus ("Kugusuge")
- Carex pseudololiacea ("Hirohaipponsuge")
- Carex pudica ("Mamesuge")
- Carex pumila (strand sedge, "Koboshiba")
- Carex pyrenaica var. altior ("Kinsuge")
- Carex quadriflora ("Akasuge")
- Carex ramenskii ("Ushiosuge")
- Carex reinii ("Kokansuge")
- Carex remotiuscula ("Itohikisuge")
- Carex rhizopoda ("Shirakosuge")
- Carex rhynchachaenium ("Tokkurisuge")
- Carex rhynchophysa ("Okasasuge")
- Carex rochebrunei ("Yabusuge")
- Carex rostrata
- Carex rostrata var. borealis ("Numasuge")
- Carex rostrata var. rostrata ("Karafutokasasuge")
- Carex rotundata ("Konumasuge")
- Carex rugata ("Kusasuge")
- Carex rugulosa ("Okugu")
- Carex rupestris ("Karafutoiwasuge")
- Carex ruralis ("Satoyamaharisuge")
- Carex sabynensis
- Carex sabynensis var. rostrata ("Tsurukamikawasuge")
- Carex sabynensis var. sabynensis ("Kamikawasuge")
- Carex sachalinensis
- Carex sachalinensis var. alterniflora ("Oitosuge")
- Carex sachalinensis var. arimaensis ("Arimaitosuge")
- Carex sachalinensis var. aureobrunnea ("Chaitosuge")
- Carex sachalinensis var. elongatula ("Kujusuge")
- Carex sachalinensis var. fulva ("Kiitosuge")
- Carex sachalinensis var. iwakiana ("Koitosuge")
- Carex sachalinensis var. longiuscula ("Miyamaaosuge")
- Carex sachalinensis var. rubrovaginata ("Beniitosuge")
- Carex sachalinensis var. sachalinensis ("Saharin'itosuge")
- Carex sacrosancta ("Jingusuge")
- Carex sadoensis
- Carex sakonis
- Carex satzumensis ("Aburashiba")
- Carex scabrifolia ("Shiokugu")
- Carex schmidtii ("Shumittosuge")
- Carex scita
- Carex scita var. parvisquama ("Daisen'ashibososuge")
- Carex scita var. riishirensis ("Rishirisuge")
- Carex scita var. scabrinervia ("Shikotansuge")
- Carex scita var. scita ("Miyamaashibososuge")
- Carex scita var. tenuiseta ("Ashibososuge")
- Carex scoparia ("Amerikayagamisuge")
- Carex sedakowii ("Himeonoesuge")
- Carex semihyalofructa ("Yukiguniharisuge")
- Carex shimidzensis ("Azumanaruko")
- Carex siderosticta
- Carex siderosticta var. siderosticta ("Taganeso")
- Carex siderosticta var. siderosticta f. variegata ("Fuiritaganeso")
- Carex siderosticta var. stenophylla ("Hosobataganeso")
- Carex sikokiana ("Tsurumiyamakansuge")
- Carex siroumensis ("Takanenaruko")
- Carex sociata ("Tashirosuge")
- Carex sordida ("Akankasasuge")
- Carex stenantha
- Carex stenantha var. stenantha ("Iwasuge")
- Carex stenantha var. taisetsuensis ("Taisetsuiwasuge")
- Carex stenostachys
- Carex stenostachys var. cuneata ("Michinokuhonmonjisuge")
- Carex stenostachys var. ikegamiana ("Koshinohonmonjisuge")
- Carex stenostachys var. stenostachys ("Nishinohonmonjisuge")
- Carex stipata ("Okawazusuge")
- Carex stylosa ("Raususuge")
- Carex subcernua ("Tsukushinaruko")
- Carex subspathacea ("Himeushiosuge")
- Carex subtumida ("Katsuragawasuge")
- Carex subumbellata
- Carex subumbellata var. subumbellata ("Miyakesuge")
- Carex subumbellata var. verecunda ("Kumomashibasuge")
- Carex tabatae ("Amaminakirisuge")
- Carex taihokuensis
- Carex tamakii ("Okinawahimenakiri")
- Carex tashiroana ("Nosuge")
- Carex teinogyna ("Fusanakirisuge")
- Carex tenuiflora ("Ipponsuge")
- Carex tenuiformis ("Onoesuge")
- Carex tenuiformis f. puberula ("Keonoesuge")
- Carex tenuinervis ("Tsurunashioitosuge")
- Carex tenuior ("Kobakeisuge")
- Carex thunbergii
- Carex thunbergii var. appendiculata ("Oazesuge")
- Carex thunbergii var. thunbergii ("Azesuge")
- Carex tokarensis ("Fusakansuge")
- Carex toyoshimae ("Sekimonsuge")
- Carex traiziscana ("Hirohaozenumasuge")
- Carex transversa ("Yawarasuge")
- Carex tristachya
- Carex tristachya var. pocilliformis ("Himemoegisuge")
- Carex tristachya var. tristachya ("Moegisuge")
- Carex tsushimensis
- Carex tumidula ("Iwayasuge")
- Carex uber ("Tsukushisuge")
- Carex uda ("Ezoharisuge")
- Carex unilateralis ("Katagawayagamisuge")
- Carex vaginata ("Sayasuge")
- Carex vanheurckii ("Nuiosuge")
- Carex vesicaria
- Carex vesicaria var. monile ("Juzunarukosuge")
- Carex vesicaria var. vesicaria ("Oninarukosuge")
- Carex viridula ("Ezosawasuge")
- Carex vulpinoidea (fox sedge, "Nagabaamerikamikoshigaya")
- Carex wahuensis var. bongardii ("Higesuge")
- Carex yakusimensis
- Carex yasuii ("Muninhyotansuge")
- Carex × akitaensis ("Kazunosuge")
- Carex × akiyamana ("Echigosuge")
- Carex × aniaiensis
- Carex × arakanei ("Futobotanigawasuge")
- Carex × boninensis ("Shimaisosuge")
- Carex × bosoensis ("Isohamaaosuge")
- Carex × caudatifrons ("Otanukiran")
- Carex × ciliatifructus ("Hiragishisugemodoki")
- Carex × dandoensis ("Mikawaoitosuge")
- Carex × enshuensis
- Carex × furusei ("Hashinagaawabosuge")
- Carex × goroi ("Gosomodoki")
- Carex × goyozanensis
- Carex × hanasakensis ("Nemurogoso")
- Carex × hokariensis
- Carex × hosoii ("Tanukinaruko")
- Carex × inaensis ("Inatekirisuge")
- Carex × insolita ("Kehimekansuge")
- Carex × kattana ("Zaosuge")
- Carex × kurilensis ("Notorosuge")
- Carex × leiogona ("Oniazesuge")
- Carex × macilenta ("Ezoshiroharisuge")
- Carex × mihashii ("Ainokonaruko")
- Carex × moriyoshiensis
- Carex × musashiensis ("Takaosuge")
- Carex × nikaii ("Shirahomasuge")
- Carex × okushirensis
- Carex × paludicola ("Yashimasuge")
- Carex × pseudosadoensis ("Sadosugemodoki")
- Carex × rikuchiuensis ("Fuirimichinokuazesuge")
- Carex × sakaguchii ("Kuroshimashibasuge")
- Carex × scitiformis ("Mashikesugemodoki")
- Carex × shakushizawensis ("Tanigawatanukiran")
- Carex × shinanoana ("Miyamatekirisuge")
- Carex × sumikawaensis
- Carex × takoensis ("Mujinakugu")
- Carex × toshironis ("Oniazenaruko")
- Carex × uzenensis ("Okutanukiran")
- Carex × xenostachya ("Ozekurosuge")
- Carica papaya (papaya)
- Carpesium abrotanoides ("Yabutabako")
- Carpesium cernuum ("Koyabutabako")
- Carpesium divaricatum ("Gankubiso")
- Carpesium divaricatum var. abrotanoides ("Hosobagankubiso")
- Carpesium divaricatum var. divaricatum ("Gankubiso")
- Carpesium divaricatum var. matsuei ("Nopporogankubiso")
- Carpesium divaricatum var. shikokianum ("Shikokugankubiso")
- Carpesium faberi ("Kobanagankubiso")
- Carpesium glossophyllum ("Sajigankubiso")
- Carpesium macrocephalum ("Ogankubiso")
- Carpesium rosulatum ("Himegankubiso")
- Carpesium triste ("Miyamayabutabako")
- Carpha aristata ("Inunogusa")
- Carpinus cordata
- Carpinus cordata var. chinensis
- Carpinus cordata var. cordata ("Sawashiba")
- Carpinus cordata var. pseudojaponica ("Osawashiba")
- Carpinus japonica
- Carpinus japonica var. cordifolia ("Okumashide")
- Carpinus japonica var. japonica ("Kumashide")
- Carpinus laxiflora ("Akashide")
- Carpinus laxiflora f. pendula ("Shidareakashide")
- Carpinus tschonoskii ("Inushide")
- Carpinus tschonoskii f. pendula ("Shidareinushide")
- Carpinus turczaninovii ("Iwashide")
- Carpobrotus (genus, pigface)
- Carrichtera annua ("Kanmurinazuna")
- Carthamus lanatus
- Carthamus lanatus subsp. baeticus ("Usuiroarechibenibana")
- Carthamus lanatus subsp. lanatus ("Arechibenibana")
- Carthamus tinctorius (safflower, "Benibana")
- Carum carvi (Caraway)
- Caryopteris incana ("Dangiku")
- Caryopteris incana f. candida ("Shirobanadangiku")
- Caryopteris incana f. rosea ("Momoirodangiku")
- Caryota cumingii (solitary fishtail palm, "Kujakuyashi")
- Caryota mitis (clustering fishtail palm, "Komochikujakuyashi")
- Cassiope lycopodioides (clubmoss mountain heather, "Iwahige")
- Cassiope lycopodioides f. globularis ("Tamazakiiwahige")
- Cassytha filiformis (love-vine, "Sunazuru")
- Cassytha pergracilis ("Itosunazuru")
- Cassytha pubescens ("Kesunazuru")
- Castanea crenata (Japanese chestnut, "Kuri")
- Castanea crenata f. imperfecta ("Hazeguri")
- Castanea crenata f. pendula ("Shidareguri")
- Castanea crenata f. pleiocarpa ("Hakoguri")
- Castanea crenata f. pulchella ("Hanaguri")
- Castanopsis cuspidata ("Tsuburajii")
- Castanopsis cuspidata × Castanopsis sieboldii ("Nitarijii")
- Castanopsis sieboldii
- Castanopsis sieboldii subsp. lutchuensis ("Okinawajii")
- Castanopsis sieboldii subsp. sieboldii (Itajii Chinkapin, "Sudajii")
- Castanopsis sieboldii subsp. sieboldii f. awanoi ("Shidarejii")
- Casuarina cunninghamiana (river oak, "Kaningamumokumao")
- Casuarina equisetifolia (Australian pine, "Tokusabamokumao")
- Catalpa bignonioides (southern catalpa, "Amerikakisasage")
- Catalpa bungei ("Tokisasage")
- Catalpa ovata (yellow catalpa, "Kisasage")
- Catalpa speciosa (northern catalpa, "Hanakisasage")
- Catharanthus roseus (Madagascar periwinkle, "Nichinichiso")
- Catharanthus roseus Usugesho
- Catolobus ligulifolia ("Herahatazao")
- Catolobus pendula ("Ezohatazao")
- Cattleya (genus)
- Catunaregam spinosa ("Harizakuro")
- Caucalis platycarpos ("Hanayabujirami")
- Caulophyllum robustum ("Ruiyobotan")
- Cayratia japonica ("Yabukarashi")
- Cayratia tenuifolia ("Hiiragiyabukarashi")
- Cayratia yoshimurae ("Akaminoyabukarashi")
- Ceanothus (genus, California lilac)
- Cedrus deodara (Himalayan cedar)
- Ceiba speciosa (silk floss tree, "Tokkurikiwata")
- Celastrus flagellaris ("Iwaumezuru")
- Celastrus hindsii ("Daibutsurumemodoki")
- Celastrus kusanoi var. glaber ("Ryukyutsurumemodoki")
- Celastrus orbiculatus
- Celastrus orbiculatus var. orbiculatus ("Tsurumemodoki")
- Celastrus orbiculatus var. orbiculatus f. aureoarillatus ("Kimitsurumemodoki")
- Celastrus orbiculatus var. orbiculatus f. ellipticus ("Nagaminotsurumemodoki")
- Celastrus orbiculatus var. orbiculatus f. papillosus ("Inutsurumemodoki")
- Celastrus orbiculatus var. strigillosus ("Onitsurumemodoki")
- Celastrus punctatus ("Terihatsurumemodoki")
- Celastrus stephanotifolius ("Otsurumemodoki")
- Celosia argentea (plumed cockscomb, "Nogeito")
- Celosia cristata (cockscomb, "Keito")
- Celosia cristata (plumed cockscomb, "Tosakakeito")
- Celosia cristata (Prince of Wales feathers, "Umokeito")
- Celosia cristata (plumed cockscomb, "Yarigeito")
- Celosia cristata
- Celtis biondii ("Kobanochosen'enoki")
- Celtis biondii var. heterophylla ("Kobanochosen'enoki")
- Celtis biondii var. holophylla ("Chugokuenoki")
- Celtis boninensis ("Kuwanohaenoki")
- Celtis jessoensis (Japanese hackberry, "Ezoenoki")
- Celtis jessoensis f. angustifolia ("Nagabaezoenoki")
- Celtis jessoensis f. hashimotoi ("Kansaienoki")
- Celtis sinensis (Chinese hackberry, "Enoki")
- Celtis sinensis f. pendula ("Shidareenoki")
- Cenchrus brownii ("Kurinoiga")
- Cenchrus ciliaris ("Higekurinoiga")
- Cenchrus echinatus ("Shinkurinoiga")
- Cenchrus incertus ("Kobekurinoiga")
- Cenchrus longispinus ("Himekurinoiga")
- Cenchrus setigerus ("Kushikurinoiga")
- Cenchrus tribuloides ("Okurinoiga")
- Centaurea calcitrapa ("Murasakiigayagurumagiku")
- Centaurea cyanus (cornflower, "Yagurumagiku")
- Centaurea gymnocarpa (velvet centaurea)
- Centaurea jacea (brown knapweed, "Yagurumaazami")
- Centaurea macrocephala (bighead knapweed, "Kibanayagurumagiku")
- Centaurea melitensis ("Hireharigiku")
- Centaurea nigra ("Kuroazami")
- Centaurea ragusina (silver knapweed)
- Centaurea solstitialis ("Igayagurumagiku")
- Centaurium chloodes
- Centaurium erythraea (common centaury, "Benibanasenburi")
- Centaurium tenuiflorum ("Hanahamasenburi")
- Centella asiatica ("Tsubokusa")
- Centipeda minima ("Tokinso")
- Centranthera cochinchinensis var. lutea ("Gomakusa")
- Centranthera cochinchinensis var. lutea f. alba ("Shirobanagomakusa")
- Centranthus macrosiphon (long-spurred valerian, "Usubenikanokoso")
- Centranthus ruber (red valerian, "Benikanokoso")
- Centratherum punctatum (lark-daisy, "Ruriazami")
- Centrosema pubescens ("Murasakichomamemodoki")
- Cephalanthera erecta
- Cephalanthera erecta var. erecta (erect cephalanthera, "Ginran")
- Cephalanthera erecta var. subaphylla ("Yushunran")
- Cephalanthera falcata ("Kinran")
- Cephalanthera falcata f. albescens ("Shirobanakinran")
- Cephalanthera longibracteata ("Sasabaginran")
- Cephalanthera longibracteata f. lurida ("Nishidakesasabaginran")
- Cephalanthera longifolia (narrow-leaved helleborine, "Kugenumaran")
- Cephalantheropsis gracilis ("Tokusaran")
- Cephalanthus occidentalis (common buttonbush, "Amerikataniwatarinoki")
- Cephalomanes atrovirens ("Sakishimahoragoke")
- Cephalomanes javanicum var. asplenioides ("Sotetsuhoragoke")
- Cephalotaxus harringtonia
- Cephalotaxus harringtonia var. harringtonia ("Inugaya")
- Cephalotaxus harringtonia var. nana ("Haiinugaya")
- Cephalotaxus harringtonia ‘Fastigiata’ ("Chosenmaki")
- Cerastium arvense
- Cerastium arvense subsp. arvense ("Seiyomiminagusa")
- Cerastium arvense subsp. strictum var. mitsumorense ("Mitsumorimiminagusa")
- Cerastium fischerianum
- Cerastium fischerianum var. fischerianum (Fischer's chickweed, "Obananomiminagusa")
- Cerastium fischerianum var. molle ("Genkaimiminagusa")
- Cerastium fontanum
- Cerastium fontanum subsp. vulgare
- Cerastium fontanum subsp. vulgare var. angustifolium ("Miminagusa")
- Cerastium fontanum subsp. vulgare var. vulgare ("Omiminagusa")
- Cerastium furcatum var. ibukiense ("Kobanomiminagusa")
- Cerastium glomeratum (sticky mouse-ear chickweed, "Orandamiminagusa")
- Cerastium pauciflorum var. amurense ("Tagasodeso")
- Cerastium rubescens var. koreanum
- Cerastium rubescens var. koreanum f. takedae ("Takanemiminagusa")
- Cerastium rubescens var. koreanum f. tetraschistum ("Kikuzakitakanemiminagusa")
- Cerastium schizopetalum
- Cerastium schizopetalum var. bifidum ("Kumomamiminagusa")
- Cerastium schizopetalum var. schizopetalum ("Miyamamiminagusa")
- Cerastium semidecandrum ("Tamagobamiminagusa")
- Cerastium tomentosum (snow-in-summer, "Shiromiminagusa")
- Cerasus apetala
- Cerasus apetala var. apetala ("Miyamachojizakura")
- Cerasus apetala var. pilosa ("Okuchojizakura")
- Cerasus apetala var. pilosa f. multipetala ("Kikuzakiokuchojizakura")
- Cerasus apetala var. tetsuyae ("Chojizakura")
- Cerasus apetala var. tetsuyae × Cerasus nipponica ("Eboshizakura")
- Cerasus avium (bird cherry, "Sakuranbo")
- Cerasus campanulata (Taiwan cherry, "Kanhizakura")
- Cerasus cerasoides (sour cherry, "Himarayazakura")
- Cerasus hisauchiana ("Yabuzakura")
- Cerasus incisa
- Cerasus incisa var. bukosanensis ("Bukomamezakura")
- Cerasus incisa var. incisa ("Mamezakura")
- Cerasus incisa var. incisa f. chrysantha ("Fujikikuzakura")
- Cerasus incisa var. incisa f. urceolata ("Obanamamezakura")
- Cerasus incisa var. incisa f. yamadae ("Midorizakura")
- Cerasus incisa var. kinkiensis ("Kinkimamezakura")
- Cerasus incisa var. kinkiensis f. plena ("Yaenokinkimamezakura")
- Cerasus incisa var. kinkiensis f. somewake ("Somewakekinkimamezakura")
- Cerasus incisa var. kinkiensis f. viridicalyx ("Midorikinkimamezakura")
- Cerasus incisa var. kinkiensis × Cerasus leveilleana ("Kamiokazakura")
- Cerasus jamasakura
- Cerasus jamasakura var. chikusiensis ("Tsukushiyamazakura")
- Cerasus jamasakura var. jamasakura (hill cherry)
- Cerasus jamasakura var. jamasakura f. pubescens ("Usugeyamazakura")
- Cerasus jamasakura × Cerasus speciosa ("Kazusazakura")
- Cerasus katonis ("Shin'eizakura")
- Cerasus leveilleana ("Kasumizakura")
- Cerasus leveilleana f. inermedia ("Asagirizakura")
- Cerasus leveilleana f. kashioensis ("Kashiozakura")
- Cerasus leveilleana f. norioi ("Kataokazakura")
- Cerasus leveilleana f. pendula ("Kirifurizakura")
- Cerasus maximowiczii (miyama cherry)
- Cerasus nipponica
- Cerasus nipponica var. alpina ("Kumoizakura")
- Cerasus nipponica var. kurilensis (Kurile cherry, "Chishimazakura")
- Cerasus nipponica var. kurilensis f. hayashii
- Cerasus nipponica var. nipponica (Japanese alpine cherry, "Takanezakura")
- Cerasus pseudocerasus ("Karamizakura")
- Cerasus sargentii
- Cerasus sargentii var. akimotoi ("Kiritachiyamazakura")
- Cerasus sargentii var. sargentii (Sargent's cherry, "Oyamazakura")
- Cerasus sargentii var. sargentii f. albida ("Hatsuyukizakura")
- Cerasus sargentii var. sargentii f. pendula ("Shidareoyamazakura")
- Cerasus sargentii var. sargentii f. pubescens ("Keezoyamazakura")
- Cerasus serrulata ("Satozakura")
- Cerasus serrulata cv.
- Cerasus serrulata ‘Gioiko’
- Cerasus serrulata ‘Grandiflora’
- Cerasus serrulata ‘Sekiyama’
- Cerasus shikokuensis ("Ishizuchizakura")
- Cerasus spachiana
- Cerasus spachiana var. koshiensis ("Koshinohiganzakura")
- Cerasus spachiana var. spachiana
- Cerasus spachiana var. spachiana f. ascendens ("Edohigan")
- Cerasus spachiana var. spachiana f. spachiana (weeping cherry, "Itozakura")
- Cerasus spachiana ‘Pendula-rosea’ ("Benishidare")
- Cerasus spachiana ‘Plena-rosea’ ("Yaebenishidare")
- Cerasus spachiana ‘Ujo-shidare’
- Cerasus speciosa ("Oshimazakura")
- Cerasus speciosa f. idzuensis ("Shiokazezakura")
- Cerasus speciosa f. plena ("Yaenooshimazakura")
- Cerasus speciosa f. semiplena ("Usugasaneoshima")
- Cerasus subhirtella ‘Autumnalis’
- Cerasus tamaclivorum ("Hoshizakura")
- Cerasus × chichibuensis
- Cerasus × furuseana
- Cerasus × kanzakura ‘Oh-kanzakura’
- Cerasus × mitsuminensis
- Cerasus × oneyamensis
- Cerasus × tschonoskii
- Cerasus × yuyamae
- Cerasus ×amedama
- Cerasus ×chichibuensis var. chichibuensis
- Cerasus ×chichibuensis var. uyekii ("Ogurayamazakura")
- Cerasus ×compta ("Akatsukizakura")
- Cerasus ×furuseana nothovar. furuseana ("Yamamamezakura")
- Cerasus ×furuseana nothovar. pseudoaffinis ("Kinkiyamamamezakura")
- Cerasus ×kanzakura Atami-zakura
- Cerasus ×kanzakura ‘Kawazu-zakura’
- Cerasus ×kanzakura ‘Praecox’
- Cerasus ×kubotana ("Takaneoyamazakura")
- Cerasus ×mitsuminensis nothovar. apetaloides ("Kebukomamezakura")
- Cerasus ×mitsuminensis nothovar. mitsuminensis ("Chojimamezakura")
- Cerasus ×miyasakana ("Yatsugatakezakura")
- Cerasus ×mochizukiana
- Cerasus ×moniwana
- Cerasus ×naganoi ("Tomoezakura")
- Cerasus ×oneyamensis nothovar. oneyamensis
- Cerasus ×oneyamensis nothovar. takasawana ("Ominezakura")
- Cerasus ×parvifolia ("Fuyuzakura")
- Cerasus ×takinoensis
- Cerasus ×tschonoskii nothovar. pseudoverecunda ("Kasumiokuchojizakura")
- Cerasus ×tschonoskii nothovar. tschonoskii ("Nikkozakura")
- Cerasus ×yanashimana ("Narusawazakura")
- Cerasus ×yedoensis (Yoshino cherry, "Someiyoshino")
- Cerasus ×yuyamae nothovar. bukosanensis ("Bukokasumizakura")
- Cerasus ×yuyamae nothovar. yuyamae ("Fujikasumizakura")
- Cerasus ‘Jindai-akebono’
- Cerasus ‘Keio-zakura’
- Cerasus ‘Kobuku-zakura’ ("Kobukuzakura")
- Cerasus ‘Okame’
- Cerasus ‘Takenakae’
- Cerasus ‘Yokohama-hizakura’ ("Yokohamahizakura")
- Cerasus ‘Yoko’
- Ceratopetalum gummiferum (New South wales christmas bush, "Kurisumasubusshu")
- Ceratophyllum demersum (hornwort, "Matsumo")
- Ceratophyllum platyacanthum subsp. oryzetorum ("Yotsubarikingyomo")
- Ceratopteris gaudichaudii var. vulgaris (water sprite, "Himemizuwarabi")
- Ceratopteris thalictroides ("Mizuwarabi")
- Ceratostigma griffithii (Griffith's plumbago)
- Ceratostigma plumbaginoides ("Rurimatsurimodoki")
- Ceratotheca triloba (wild foxglove)
- Cerbera (genus)
- Cerbera manghas ("Mifukuragi")
- Cerbera manghas f. sakuyana ("Otomeokinawakyochikuto")
- Cercidiphyllum japonicum (katsura)
- Cercidiphyllum magnificum ("Hirohakatsura")
- Cercis canadensis (Eastern redbud, "Amerikahanazuo")
- Cercis chinensis (Chinese redbud, "Hanazuo")
- Cercis siliquastrum (Judas tree, "Seiyohanazuo")
- Cereus repandus (Peruvian apple cactus)
- Cerinthe major (honeywort)
- Cestrum aurantiacum (orange cestrum, "Kichoji")
- Cestrum elegans (purple cestrum, "Benichoji")
- Cestrum nocturnum (night-blooming jessamine, "Yakoboku")
- Chaenomeles japonica ("Kusaboke")
- Chaenomeles japonica f. alba ("Shirobanakusaboke")
- Chaenomeles japonica f. plena ("Yaekusaboke")
- Chaenomeles speciosa (flowering quince, "Boke")
- Chaenorhinum minus ("Hinaunran")
- Chaenostoma cordatum (bacopa)
- Chaerophyllum villosum ("Usugeyamaninjin")
- Chamaecrista garambiensis
- Chamaecrista leschenaultiana ("Taiwankawaraketsumei")
- Chamaecrista nictitans (sensitive cassia, "Arechiketsumei")
- Chamaecrista nomame ("Kawaraketsumei")
- Chamaecyparis lawsoniana (Lawson cypress)
- Chamaecyparis obtusa
- Chamaecyparis obtusa var. obtusa (hinoki cypress)
- Chamaecyparis obtusa var. obtusa f. hasegawana ("Kurihadahinoki")
- Chamaecyparis obtusa var. obtusa f. takeuchii ("Tsunominohinoki")
- Chamaecyparis pisifera (sawara cypress)
- Chamaecyparis pisifera f. crassa ("Atsukawasawara")
- Chamaedaphne calyculata ("Yachitsutsuji")
- Chamaedorea elegans (parlor palm)
- Chamaegastrodia poilanei ("Tsushimaran")
- Chamaegastrodia sikokiana ("Himenoyagara")
- Chamaele decumbens
- Chamaele decumbens var. decumbens ("Sentoso")
- Chamaele decumbens var. decumbens f. dilatata ("Ibukisentoso")
- Chamaele decumbens var. decumbens f. flabellifoliata ("Ogibasentoso")
- Chamaele decumbens var. decumbens f. japonica ("Miyamasentoso")
- Chamaele decumbens var. gracillima ("Hinasentoso")
- Chamaele decumbens var. micrantha ("Yakushimasentoso")
- Chamaemelum nobile (Roman chamomile)
- Chamelaucium uncinatum (Geraldton wax)
- Chamerion angustifolium
- Chamerion angustifolium subsp. angustifolium (fireweed, "Yanagiran")
- Chamerion angustifolium subsp. angustifolium f. pleniflorum ("Yaezakiyanagiran")
- Chamerion angustifolium subsp. circumvagum ("Usugeyanagiran")
- Chamerion latifolium ("Himeyanagiran")
- Cheilocostus speciosus (crepe ginger, "Ohozakiayame")
- Cheilosoria chusana ("Ebigarashida")
- Cheiropleuria integrifolia ("Sujihitotsuba")
- Cheirostylis liukiuensis ("Tanegashimakairoran")
- Cheirostylis takeoi ("Arisanmuyoran")
- Chelidonium majus subsp. asiaticum (greater celandine, "Kusano")
- Chelone lyonii (pink turtlehead)
- Chelonopsis longipes ("Tanijakoso")
- Chelonopsis longipes f. albiflora ("Shirobanatanijakoso")
- Chelonopsis moschata ("Jakoso")
- Chelonopsis yagiharana ("Ashitakajakoso")
- Chengiopanax sciadophylloides ("Koshiabura")
- Chenopodium acuminatum
- Chenopodium acuminatum var. acuminatum ("Marubaakaza")
- Chenopodium acuminatum var. vachelii ("Kawaraakaza")
- Chenopodium album
- Chenopodium album var. album (lamb's quarters, "Shiroza")
- Chenopodium album var. centrorubrum ("Akaza")
- Chenopodium bryoniifolium ("Midoriakaza")
- Chenopodium ficifolium (fig-leaved goosefoot, "Koakaza")
- Chenopodium glaucum ("Urajiroakaza")
- Chenopodium gracilispicum ("Iwaakaza")
- Chenopodium hybridum ("Usubaakaza")
- Chenopodium leptophyllum ("Himehamaakaza")
- Chenopodium murale ("Minatoakaza")
- Chenopodium opulifolium ("Hirohaakaza")
- Chenopodium pratericola ("Hirohahimehamaakaza")
- Chenopodium rubrum ("Akabaakaza")
- Chenopodium stenophyllum ("Hosobaakaza")
- Chenopodium strictum ("Shirozamodoki")
- Chenopodium subglabrum ("Hosobahimehamaakaza")
- Chenopodium × preissmannii ("Ainokoakaza")
- Chenopodium × zahnii ("Noharaakaza")
- Chikusichloa aquatica ("Tsukushigaya")
- Chikusichloa brachyanthera ("Iriomotegaya")
- Chimaphila japonica ("Umegasaso")
- Chimaphila umbellata ("Omegasaso")
- Chimonanthus praecox (Japanese allspice, "Robai")
- Chimonanthus praecox cv. ("Mangetsurobai")
- Chimonanthus praecox f. concolor ("Soshinrobai")
- Chimonanthus praecox var. grandiflorus ("Torobai")
- Chimonobambusa marmorea (kan-chiku)
- Chionanthus retusus ("Hitotsubatago")
- Chionanthus virginicus (white fringetree, "Amerikahitotsubatago")
- Chionodoxa (genus, glory-of-the-snow)
- Chionographis hisauchiana
- Chionographis hisauchiana
- Chionographis hisauchiana subsp. hisauchiana ("Azumashiraitoso")
- Chionographis hisauchiana subsp. kurohimensis ("Kurohimeshiraitoso")
- Chionographis hisauchiana subsp. minoensis ("Minoshiraitoso")
- Chionographis japonica
- Chionographis japonica var. jaonica ("Shiraitoso")
- Chionographis japonica var. yakusimensis ("Yakushimashiraitoso")
- Chionographis koidzumiana
- Chionographis koidzumiana var. koidzumiana ("Chaboshiraitoso")
- Chionographis koidzumiana var. kurokamiana ("Kurokamishiraitoso")
- Chloranthus fortunei ("Kibihitorishizuka")
- Chloranthus japonicus ("Hitorishizuka")
- Chloranthus serratus ("Futarishizuka")
- Chloranthus sessilifolius
- Chloranthus spicatus ("Charan")
- Chloris barbata ("Shimahigeshiba")
- Chloris divaricata var. cynodontoides ("Himehigeshiba")
- Chloris gayana ("Afurikahigeshiba")
- Chloris pectinata ("Kushihigeshiba")
- Chloris radiata ("Kasengaya")
- Chloris truncata ("Chabohigeshiba")
- Chloris virgata (feather fingergrass, "Ohigeshiba")
- Chlorophytum comosum (spider plant, "Orizururan")
- Choerospondias axillaris ("Chanchinmodoki")
- Choisya (genus, Mexican orange, "Showajia")
- Choisya ×dewitteana
- Chondradenia fauriei ("Onoeran")
- Chondrilla juncea ("Edauchinigana")
- Chorispora tenella ("Tsunominazuna")
- Christia obcordata ("Hozukihagi")
- Chromolaena odorata (Siam weed, "Himawarihiyodori")
- Chrysanthemum arcticum
- Chrysanthemum arcticum subsp. arcticum ("Akinokohamagiku")
- Chrysanthemum arcticum subsp. yezoense ("Chishimakohamagiku")
- Chrysanthemum crassum ("Oshimanojigiku")
- Chrysanthemum indicum
- Chrysanthemum indicum var. indicum ("Shimakangiku")
- Chrysanthemum indicum var. indicum f. lactiflorum ("Shiroshimakangiku")
- Chrysanthemum indicum var. iyoense ("Iyoaburagiku")
- Chrysanthemum indicum var. iyoense f. album ("Shiroiyoaburagiku")
- Chrysanthemum indicum var. maruyamanum ("Ottachikangiku")
- Chrysanthemum indicum var. tsurugisanense ("Tsurugikangiku")
- Chrysanthemum indicum × Chrysanthemum ornatum ("Satsumashimakangiku")
- Chrysanthemum japonense
- Chrysanthemum japonense var. ashizuriense ("Ashizurinojigiku")
- Chrysanthemum japonense var. japonense ("Nojigiku")
- Chrysanthemum kinokuniense
- Chrysanthemum makinoi ("Ryunogiku")
- Chrysanthemum morifolium (florist's chrysanthemum, "Kiku")
- Chrysanthemum morifolium (spray mum)
- Chrysanthemum morifolium
- Chrysanthemum morifolium
- Chrysanthemum morifolium
- Chrysanthemum morifolium ("Pottomamu")
- Chrysanthemum ornatum
- Chrysanthemum ornatum var. ornatum ("Satsumanogiku")
- Chrysanthemum ornatum var. tokarense ("Tokaranogiku")
- Chrysanthemum pacificum ("Isogiku")
- Chrysanthemum pallasianum ("Oiwainchin")
- Chrysanthemum rupestre ("Iwainchin")
- Chrysanthemum seticuspe f. boreale ("Kikutanigiku")
- Chrysanthemum shiwogiku
- Chrysanthemum wakasaense
- Chrysanthemum weyrichii ("Pireogiku")
- Chrysanthemum yezoense ("Kohamagiku")
- Chrysanthemum yoshinaganthum ("Nakagawanogiku")
- Chrysanthemum zawadskii ("Iwagiku")
- Chrysanthemum zawadskii subsp. latilobum
- Chrysanthemum zawadskii subsp. latilobum var. dissectum ("Iwagiku")
- Chrysanthemum zawadskii subsp. latilobum var. latilobum ("Chosennogiku")
- Chrysanthemum × aphrodite ("San'ingiku")
- Chrysanthemum × cuneifolium ("Wajikigiku")
- Chrysanthemum × konoanum ("Togakushigiku")
- Chrysanthemum × leucanthum ("Shirobanaaburagiku")
- Chrysanthemum × miyatojimense
- Chrysanthemum × ogawae ("Hinomisakigiku")
- Chrysanthemum × shimotomaii ("Nijigahamagiku")
- Chrysanthemum × todaiense ("Ryunoiwainchiin")
- Chrysanthemum ×marginatum ("Hanaisogiku")
- Chrysocephalum apiculatum (common everlasting)
- Chrysogonum virginianum (golden knee, "Kinseigiku")
- Chrysopogon aciculatus ("Okinawamichishiba")
- Chrysosplenium album
- Chrysosplenium album var. album ("Shirobananekonomeso")
- Chrysosplenium album var. flavum ("Kibanahananekonome")
- Chrysosplenium album var. nachiense ("Kiihananekonome")
- Chrysosplenium album var. stamineum ("Hananekonome")
- Chrysosplenium alternifolium var. sibiricum ("Ezonekonomeso")
- Chrysosplenium echinus ("Iwanekonomeso")
- Chrysosplenium fauriei ("Hokurikunekonome")
- Chrysosplenium fauriei f. ferruginiflorum ("San'innekonome")
- Chrysosplenium flagelliferum ("Tsurunekonomeso")
- Chrysosplenium grayanum ("Nekonomeso")
- Chrysosplenium japonicum
- Chrysosplenium japonicum var. japonicum ("Yamanekonomeso")
- Chrysosplenium japonicum var. tetrandrum ("Yotsushibeyamanekonome")
- Chrysosplenium kamtschaticum ("Chishimanekonomeso")
- Chrysosplenium kamtschaticum f. tobishimense ("Tobishimanekonomeso")
- Chrysosplenium kiotoense ("Botannekonomeso")
- Chrysosplenium kiotoense f. xanthandrum ("Kinshibebotannekonome")
- Chrysosplenium macrostemon
- Chrysosplenium macrostemon var. atrandrum ("Yogorenekonome")
- Chrysosplenium macrostemon var. calicitrapa ("Kishunekonome")
- Chrysosplenium macrostemon var. macrostemon ("Iwabotan")
- Chrysosplenium macrostemon var. shiobarense ("Nikkonekonome")
- Chrysosplenium macrostemon var. viridescens ("Satsumanekonome")
- Chrysosplenium maximowiczii ("Mukagonekonomeso")
- Chrysosplenium nagasei
- Chrysosplenium nagasei var. luteoflorum ("Himehidabotan")
- Chrysosplenium nagasei var. nagasei ("Hidabotan")
- Chrysosplenium nagasei var. porphyranthes ("Akahidabotan")
- Chrysosplenium pilosum var. sphaerospermum ("Koganenekonomeso")
- Chrysosplenium pseudofauriei var. nipponense ("Himeoiwabotan")
- Chrysosplenium pseudopilosum
- Chrysosplenium pseudopilosum var. divaricatistylosum ("Yamashironekonome")
- Chrysosplenium pseudopilosum var. pseudopilosum ("Tononekonome")
- Chrysosplenium ramosum ("Marubanekonomeso")
- Chrysosplenium rhabdospermum
- Chrysosplenium rhabdospermum var. rhabdospermum ("Tsukushinekonomeso")
- Chrysosplenium rhabdospermum var. shikokianum ("Togemitsukushinekonome")
- Chrysosplenium tosaense ("Tachinekonomeso")
- Cibotium barometz ("Takawarabi")
- Cibotium cumingii
- Cichorium intybus (common chicory, "Kikunigana")
- Cicuta virosa (cowbane, "Dokuzeri")
- Cicuta virosa f. angustifolia ("Himedokuzeri")
- Cimicifuga biternata
- Cimicifuga biternata var. acutiloba ("Momijiinushoma")
- Cimicifuga biternata var. biternata ("Inushoma")
- Cimicifuga japonica ("Obashoma")
- Cimicifuga japonica var. japonica ("Usubamitsubashoma")
- Cimicifuga japonica var. macrophylla ("Obashoma")
- Cimicifuga japonica var. peltata ("Kikenshoma")
- Cimicifuga simplex ("Sarashinashoma")
- Cimicifuga simplex var. matsumurae ("Yamashoma")
- Cimicifuga simplex var. simplex ("Sarashinashoma")
- Cimicifuga simplex var. yesoensis ("Ezoshoma")
- Cinna latifolia ("Fusagaya")
- Cinnamomum brevifolium ("Marubayabunikkei")
- Cinnamomum camphora (camphor, "Kusunoki")
- Cinnamomum daphnoides ("Marubanikkei")
- Cinnamomum doederleinii
- Cinnamomum doederleinii var. doederleinii ("Shibanikkei")
- Cinnamomum doederleinii var. pseudodaphnoides ("Keshibanikkei")
- Cinnamomum pseudopedunculatum ("Ogasawarayabunikkei")
- Cinnamomum sieboldii ("Nikkei")
- Cinnamomum verum (cinnamon)
- Cinnamomum yabunikkei
- Cinnamomum yabunikkei f. pilosum
- Cinnamomum × durifruticeticola ("Hirohayabunikkei")
- Cinnamomum × takushii ("Shibayabunikkei")
- Circaea alpina
- Circaea alpina subsp. alpina ("Miyamatanitade")
- Circaea alpina subsp. caulescens ("Kemiyamatanitade")
- Circaea canadensis subsp. quadrisulcata ("Ezomizutamaso")
- Circaea cordata ("Ushitakiso")
- Circaea erubescens ("Tanitade")
- Circaea erubescens × Circaea mollis ("Mizutamatanitade")
- Circaea mollis ("Mizutamaso")
- Circaea mollis f. montana ("Miyamamizutamaso")
- Circaea × decipiens ("Tanitademodoki")
- Circaea × dubia ("Otanitade")
- Circaea × mentiens ("Maruyamatanitade")
- Circaea × ovata ("Hirohanomizutamaso")
- Circaea × skvortsovii ("Hayachinemizutamaso")
- Circaea × sterilis ("Yamatanitade")
- Cirsium abukumense
- Cirsium aidzuense ("Aizuhimeazami")
- Cirsium akimontanum ("Geihokuazami")
- Cirsium akimotoi ("Shiraiwaazami")
- Cirsium albrechtii ("Ezoyamaazami")
- Cirsium alpicola ("Mineazami")
- Cirsium amplexifolium ("Dakibahimeazami")
- Cirsium amplexifolium f. albiflorum ("Shirobanadakibahimeazami")
- Cirsium aomorense
- Cirsium aomorense f. albiflorum ("Shirobanaonoazami")
- Cirsium aomorense f. echinoides ("Uniazami")
- Cirsium apoense ("Apoiazami")
- Cirsium arvense ("Seiyotogeazami")
- Cirsium arvense f. albiflorum ("Shirobanaseiyotogeazami")
- Cirsium ashinokuraense
- Cirsium ashiuense
- Cirsium austrokiushianum ("Satsumamaazami")
- Cirsium babanum ("Dainichiazami")
- Cirsium bitchuense
- Cirsium bitchuense var. bitchuense
- Cirsium bitchuense var. manisanense ("Manisan'azami")
- Cirsium boninense ("Ogasawaraazami")
- Cirsium boreale ("Kobanaazami")
- Cirsium brevicaule
- Cirsium brevicaule var. brevicaule ("Shimaazami")
- Cirsium brevicaule var. irumtiense ("Iriomoteazami")
- Cirsium brevicaule var. irumtiense f. albiflorum ("Shirobanashimaazami")
- Cirsium buergeri ("Himeazami")
- Cirsium buergeri f. albiflorum ("Shirobanahimeyamaazami")
- Cirsium chikushiense ("Nomaazami")
- Cirsium chikushiense f. albiflorum ("Shirobananomaazami")
- Cirsium chokaiense
- Cirsium comosum
- Cirsium comosum var. comosum ("Igaazami")
- Cirsium comosum var. incomptum ("Toneazami")
- Cirsium comosum var. incomptum × Cirsium microspicatum ("Azumataiazami")
- Cirsium comosum var. incomptum × Cirsium oligophyllum ("Noharataiazami")
- Cirsium comosum var. lanuginosum ("Nanbuazami")
- Cirsium comosum var. sadoense ("Sadoazami")
- Cirsium comosum var. shiroumense ("Shiromaazami")
- Cirsium confertissimum ("Koibukiazami")
- Cirsium congestissimum ("Hittsukiazami")
- Cirsium dipsacolepis
- Cirsium dipsacolepis var. calcicola ("Akiyoshiazami")
- Cirsium dipsacolepis var. dipsacolepis ("Moriazami")
- Cirsium dipsacolepis × Cirsium lineare ("Moriyanagiazami")
- Cirsium domonii ("Ryouazami")
- Cirsium fauriei ("Kisoazami")
- Cirsium furusei ("Urajirokaganoazami")
- Cirsium ganjuense
- Cirsium grandirosuliferum ("Ryonoazami")
- Cirsium gratiosum
- Cirsium gratiosum var. alpinum ("Miyamahosoenoazami")
- Cirsium gratiosum var. gratiosum ("Hokiazami")
- Cirsium grayanum ("Marubahireazami")
- Cirsium gyojanum
- Cirsium hachijoense
- Cirsium hachimantaiense
- Cirsium hanamakiense
- Cirsium happoense
- Cirsium hasunumae ("Futamataazami")
- Cirsium heiianum ("Tonoazami")
- Cirsium hidakamontanum
- Cirsium hidapaludosum
- Cirsium hokkokuense
- Cirsium homolepis ("Ozenumaazami")
- Cirsium horiianum ("Ogaazami")
- Cirsium hupehense ("Oyanagiazami")
- Cirsium indefensum ("Togenashiazami")
- Cirsium inundatum ("Tachiazami")
- Cirsium ishizuchiense
- Cirsium ito-kojianum ("Akkeshiazami")
- Cirsium japonicum
- Cirsium japonicum subsp. japonicum
- Cirsium japonicum subsp. japonicum var. australe ("Takasagoazami")
- Cirsium japonicum subsp. japonicum var. diabolicum ("Onionoazami")
- Cirsium japonicum subsp. japonicum var. horridum ("Togeazami")
- Cirsium japonicum subsp. japonicum var. horridum f. albiflorum ("Shirobanatogeazami")
- Cirsium japonicum subsp. japonicum var. ibukiense ("Miyamakoazami")
- Cirsium japonicum subsp. japonicum var. japonicum ("Noazami")
- Cirsium japonicum subsp. japonicum var. japonicum f. leucanthum ("Shirobanaazami")
- Cirsium japonicum subsp. japonicum var. okiense ("Okinoazami")
- Cirsium japonicum subsp. japonicum var. vestitum ("Keshoazami")
- Cirsium japonicum subsp. japonicum var. vestitum f. arakii ("Shirobanakeshoazami")
- Cirsium japonicum subsp. japonicum var. villosum ("Byakkoazami")
- Cirsium japonicum subsp. maackii ("Karanoazami")
- Cirsium kagamontanum
- Cirsium kagamontanum f. albiflorum ("Shirobanakaganoazami")
- Cirsium kamtschaticum ("Chishimaazami")
- Cirsium kamtschaticum f. velutinum
- Cirsium katoanum ("Uzenhimeazami")
- Cirsium kirishimense
- Cirsium kirishimense f. albiflorum ("Shirobanatsukushiazami")
- Cirsium kisoense
- Cirsium kujuense
- Cirsium lineare ("Yanagiazami")
- Cirsium longipedunculatum ("Nagaenoazami")
- Cirsium lucens
- Cirsium lucens var. bracteosum ("Heikemoriazami")
- Cirsium lucens var. lucens ("Terihaazami")
- Cirsium magofukui ("Inabeazami")
- Cirsium maritimum ("Hamaazami")
- Cirsium maritimum f. leucanthum ("Shirobanahamaazami")
- Cirsium maruyamanum ("Murakumoazami")
- Cirsium masami-saitoanum ("Hyugaazami")
- Cirsium matsumurae ("Hakusan'azami")
- Cirsium microspicatum
- Cirsium microspicatum var. bosopeninsulae ("Kazusayamaazami")
- Cirsium microspicatum var. kiotoense ("Oharameazami")
- Cirsium microspicatum var. microspicatum ("Azumayamaazami")
- Cirsium microspicatum var. microspicatum f. glutinosum ("Nebariazumayamaazami")
- Cirsium microspicatum var. yechizenense ("Echizen'azami")
- Cirsium microspicatum × Cirsium purpuratum ("Toyamaazami")
- Cirsium microspicatum × Cirsium tenuipedunculatum ("Hosoeazumayamaazami")
- Cirsium myokoense
- Cirsium nagatoense
- Cirsium nagisoense
- Cirsium nambuense ("Nanbutakaneazami")
- Cirsium nippoense
- Cirsium nipponense ("Oniazami")
- Cirsium nipponense f. albiflorum ("Shirobanaoniazami")
- Cirsium nipponicum ("Kitakamiazami")
- Cirsium norikurense
- Cirsium occidentalinipponense ("Echizen'oniazami")
- Cirsium ohminense ("Omineazami")
- Cirsium okamotoi ("Joshuoniazami")
- Cirsium okamotoi f. albiflorum ("Shirobanajoshuoniazami")
- Cirsium oligophyllum
- Cirsium oligophyllum var. nikkoense ("Nikkoazami")
- Cirsium oligophyllum var. oligophyllum ("Noharaazami")
- Cirsium oligophyllum var. oligophyllum f. albiflorum ("Shirobananoharaazami")
- Cirsium opacum ("Katsurakawaazami")
- Cirsium otayae ("Tateyamaazami")
- Cirsium ovalifolium ("Okuyamaazami")
- Cirsium pectinellum
- Cirsium pectinellum var. fallax ("Ezomamiyaazami")
- Cirsium pectinellum var. pectinellum ("Ezonosawaazami")
- Cirsium pendulum
- Cirsium pendulum var. albiflorum ("Shirobanatakaazami")
- Cirsium pendulum var. pendulum ("Takaazami")
- Cirsium pseudosuffultumm ("Nisetsukushiazami")
- Cirsium purpuratum ("Fujiazami")
- Cirsium purpuratum f. albiflorum ("Shirobanafujiazami")
- Cirsium purupuratum × Cirsium tenuipedunculatum ("Tanzawaazami")
- Cirsium segetum ("Arechiazami")
- Cirsium segetum f. albiflorum ("Shirobanaarechiazami")
- Cirsium sendaicum
- Cirsium sendaicum var. muraii ("Kinkaazami")
- Cirsium sendaicum var. sendaicum ("Matsushimaazami")
- Cirsium senjoense
- Cirsium senumae ("Kakudaazami")
- Cirsium setosum ("Ezonokitsuneazami")
- Cirsium setosum f. albiflorum ("Shiroezonokitsuneazami")
- Cirsium shidokimontanum
- Cirsium shimae ("Tsugaruoniazami")
- Cirsium shinanense ("Yachiazami")
- Cirsium sieboldii ("Kiseruazami")
- Cirsium sieboldii f. leucanthum ("Shirobanakiseruazami")
- Cirsium spicatum ("Yamaazami")
- Cirsium spicatum f. albiflorum ("Shirobanayamaazami")
- Cirsium spinosum ("Oiran'azami")
- Cirsium spinuliferum ("Harikaganoazami")
- Cirsium suffultum ("Tsukushiazami")
- Cirsium suzukaense
- Cirsium takahashii ("Mamigasakiazami")
- Cirsium takaoi ("Jakuetsuazami")
- Cirsium tanegashimense
- Cirsium tashiroi
- Cirsium tashiroi var. hidaense ("Hidaazami")
- Cirsium tashiroi var. tashiroi ("Watamukiazami")
- Cirsium tenue ("Usubaazami")
- Cirsium tenuipedunculatum ("Hosoenoazami")
- Cirsium tenuisquamatum ("Sanbesawaazami")
- Cirsium togaense
- Cirsium toyoshimae
- Cirsium uetsuense
- Cirsium uetsuense f. albiflorum ("Shirobanauetsuazami")
- Cirsium ugoense ("Ugoazami")
- Cirsium umezawanum ("Rishiriazami")
- Cirsium unzenense
- Cirsium uzenense
- Cirsium vulgare (spear thistle, "Amerikaoniazami")
- Cirsium wakasugianum ("Echizenhimeazami")
- Cirsium yakusimense
- Cirsium yamauchii ("Hattachiazami")
- Cirsium yatsualpicola
- Cirsium yezoense ("Sawaazami")
- Cirsium yoshidae ("Takiazami")
- Cirsium yoshinoi
- Cirsium yoshinoi var. shikokianum ("Shikokuazami")
- Cirsium yoshinoi var. yoshinoi
- Cirsium yuzawae ("Iwakihimeazami")
- Cirsium zawoense ("Zaoazami")
- Cirsium × celakovskyanum ("Sendaikitsuneazami")
- Cirsium × connexum ("Kasugaiazami")
- Cirsium × glabratum ("Hadakaazami")
- Cirsium × iburiense
- Cirsium × mirabile ("Obakeazami")
- Cirsium × misawaense
- Cirsium × patens ("Edahariazami")
- Cirsium × perplexissimum ("Mayowaseazami")
- Cirsium × pilosum ("Kemaazami")
- Cirsium × sugimotoi
- Cistus albidus (grey-leaved cistus, "Gojiaoi")
- Cistus ×purpureus (orchid rock-rose)
- Citharexylum spinosum (Florida fiddlewood)
- Citrullus lanatus (water melon, "Suika")
- Citrus (genus, "Jabara")
- Citrus aurantiifolia (lime, "Raimu")
- Citrus aurantium (Bitter orange, "Daidai")
- Citrus bergamia (bergamot orange, "Berugamotto")
- Citrus depressa
- Citrus hanayu
- Citrus hassaku
- Citrus iyo ("Iyokan")
- Citrus japonica (kumquat, "Kinkan")
- Citrus japonica ‘Crassifolia’ ("Neihakinkan")
- Citrus junos (Yuzu)
- Citrus limon (lemon)
- Citrus maxima ("Zabon")
- Citrus natsudaidai
- Citrus nippokoreana ("Koraitachibana")
- Citrus paradisi (grapefruit)
- Citrus reticulata (tangerine)
- Citrus reticulata (Mandarin orange)
- Citrus sinensis (orange, "Orenji")
- Citrus sinensis var. brasiliensis
- Citrus sphaerocarpa ("Kabosu")
- Citrus sudachi (sudachi)
- Citrus tachibana (tachibana orange)
- Citrus tamurana ("Hyuganatsu")
- Citrus trifoliata (trifoliate orange, "Karatachi")
- Citrus unshiu (Satsuma mandarine)
- Cladium jamaicense subsp. chinense ("Hitomotosusuki")
- Cladopus doianus ("Kawagokeso")
- Cladopus fukienensis ("Tashirokawagokeso")
- Cladrastis platycarpa ("Fujiki")
- Cladrastis shikokiana ("Yukunoki")
- Claoxylon centinarium ("Sekimonnoki")
- Clarkia (genus, "Godechia")
- Claytonia perfoliata ("Tsukinukinumahakobe")
- Cleisostoma scolopendrifolium ("Mukaderan")
- Cleisostoma uraiense
- Cleistogenes hackelii ("Chosengariyasu")
- Clematis (genus)
- Clematis alpina subsp. ochotensis
- Clematis alpina subsp. ochotensis var. fauriei ("Komiyamahanshozuru")
- Clematis alpina subsp. ochotensis var. fusijamana ("Miyamahanshozuru")
- Clematis alpina subsp. ochotensis var. ochotensis ("Ezomiyamahanshozuru")
- Clematis apiifolia
- Clematis apiifolia var. apiifolia ("Botanzuru")
- Clematis apiifolia var. biternata ("Kobotanzuru")
- Clematis chinensis
- Clematis chinensis var. bipinnata ("Kobanotsukushisenninso")
- Clematis chinensis var. chinensis ("Sakishimabotanzuru")
- Clematis chinensis var. fujisanensis ("Fujisenninso")
- Clematis crassifolia ("Yamahanshozuru")
- Clematis eriopoda ("Himebotanzuru")
- Clematis fusca
- Clematis fusca var. fusca ("Kurobanahanshozuru")
- Clematis fusca var. glabricalyx ("Shimokawahanshozuru")
- Clematis japonica
- Clematis japonica var. japonica ("Hanshozuru")
- Clematis japonica var. japonica f. cremea ("Shirohanshozuru")
- Clematis japonica var. villosula ("Kehanshozuru")
- Clematis javana ("Ryukyubotanzuru")
- Clematis lasiandra ("Takanehanshozuru")
- Clematis lasiandra f. albescens ("Shirobananotakanehanshozuru")
- Clematis leschenaultiana
- Clematis meyeniana var. insularis ("Yanbarusenninso")
- Clematis obvallata
- Clematis obvallata var. obvallata ("Koyahanshozuru")
- Clematis obvallata var. obvallata f. incisa ("Ominehanshozuru")
- Clematis obvallata var. shikokiana ("Shikokuhanshozuru")
- Clematis patens ("Kazaguruma")
- Clematis patens f. leucantha ("Shirobanakazaguruma")
- Clematis pierotii ("Kobanobotanzuru")
- Clematis satomiana ("Hokurikukusabotan")
- Clematis sibiricoides ("Ezowakunote")
- Clematis speciosa ("Okusabotan")
- Clematis stans
- Clematis stans var. austrojaponensis ("Tsukushikusabotan")
- Clematis stans var. stans ("Kusabotan")
- Clematis stans var. stans f. albida ("Shirobanakusabotan")
- Clematis stans var. stans f. rosea ("Momoirokusabotan")
- Clematis tashiroi ("Yaeyamasenninso")
- Clematis terniflora
- Clematis terniflora var. boninensis ("Muninsenninso")
- Clematis terniflora var. terniflora (sweet autumn clematis, "Senninso")
- Clematis tosaensis ("Torigatahanshozuru")
- Clematis tosaensis f. purpureofusca ("Murasakiazumahanshozuru")
- Clematis uncinata
- Clematis uncinata var. okinawensis ("Okinawasenninso")
- Clematis uncinata var. ovatifolia ("Kiisenninso")
- Clematis williamsii ("Shirobanahanshozuru")
- Clematis × takedana ("Murasakibotanzuru")
- Clementsia rhodantha (redpod stonecrop)
- Cleome rutidosperma (fringed spider flower, "Afurikafuchoso")
- Clerodendrum bungei (rose glory bower, "Botankusagi")
- Clerodendrum izuinsulare ("Shimakusagi")
- Clerodendrum izuinsulare × Clerodendrum trichotomum ("Onagakusagi")
- Clerodendrum japonicum ("Higiri")
- Clerodendrum lindleyi
- Clerodendrum paniculatum (pagoda flower, "Kakubahigiri")
- Clerodendrum thomsoniae (bleeding heart, "Genpeikazura")
- Clerodendrum trichotomum
- Clerodendrum trichotomum var. esculentum ("Shorokusagi")
- Clerodendrum trichotomum var. fargesii ("Amakusagi")
- Clerodendrum trichotomum var. trichotomum (harlequin glorybower, "Kusagi")
- Clerodendrum trichotomum var. trichotomum f. albicarpum ("Shiromikusagi")
- Clerodendrum trichotomum var. trichotomum f. ferrugineum
- Clerodendrum wallichii (bridal veil, "Kurarindo")
- Clerodendrum ×speciosum ("Benigenpeikazura")
- Clethra barbinervis (Japanese clethra, "Ryobu")
- Cleyera japonica
- Cleyera japonica var. japonica (sakaki)
- Cleyera japonica var. morii ("Marubasakaki")
- Clinopodium (genus, calamint)
- Clinopodium chinense
- Clinopodium chinense subsp. chinense ("Okinawakurumabana")
- Clinopodium chinense subsp. glabrescens ("Yamakurumabana")
- Clinopodium chinense subsp. grandiflorum ("Kurumabana")
- Clinopodium chinense subsp. grandiflorum f. albiflorum ("Shirobanakurumabana")
- Clinopodium chinense subsp. setilobum ("Nikkokurumabana")
- Clinopodium gracile ("Tobana")
- Clinopodium macranthum ("Miyamakurumabana")
- Clinopodium micranthum
- Clinopodium micranthum var. fauriei ("Saishutobana")
- Clinopodium micranthum var. micranthum ("Inutobana")
- Clinopodium micranthum var. micranthum f. albiflorum ("Shirobanainutobana")
- Clinopodium micranthum var. sachalinense ("Miyamatobana")
- Clinopodium multicaule
- Clinopodium multicaule var. latifolium ("Hirohayamatobana")
- Clinopodium multicaule var. multicaule ("Yamatobana")
- Clinopodium multicaule var. yakusimense ("Yakushimatobana")
- Clinopodium nepeta (lesser calamint)
- Clinostigma savoryanum ("Noyashi")
- Clintonia udensis ("Tsubameomoto")
- Clintonia udensis f. lanceolata ("Herabatsubameomoto")
- Clintonia udensis f. leucocarpa ("Shirominotsubameomoto")
- Clitoria ternatea (Asian pigeonwings, "Chomame")
- Clivia miniata ("Ukezakikunshiran")
- Clusia rosea (autograph tree)
- Cnicus benedictus ("Santoriso")
- Cnidium japonicum ("Hamazeri")
- Coccinia grandis ("Yasaikarasuri")
- Cocculus laurifolius ("Isoyamaaoki")
- Cocculus orbiculatus ("Hozantsuzurafuji")
- Cocculus trilobus ("Aotsuzurafuji")
- Cochlearia officinalis subsp. oblongifolia ("Tomoshiriso")
- Cocos nucifera (coconut palm)
- Codariocalyx microphyllus ("Himenohagi")
- Codiaeum variegatum (garden croton, "Kuroton")
- Codonacanthus pauciflorus ("Arimoriso")
- Codonopsis javanica subsp. japonica ("Tsurugikyo")
- Codonopsis lanceolata
- Codonopsis lanceolata var. lanceolata ("Tsuruninjin")
- Codonopsis lanceolata var. lanceolata f. emaculata ("Midoritsuruninjin")
- Codonopsis lanceolata var. omurae ("Shibukawaninjin")
- Codonopsis ussuriensis ("Baasobu")
- Codonopsis ussuriensis f. viridiflora ("Midoribaasobu")
- Coelachne japonica ("Hinazasa")
- Coelopleurum gmelinii ("Ezonoshishiudo")
- Coelopleurum multisectum ("Miyamazengo")
- Coelopleurum rupestre ("Ezoyamazengo")
- Coffea arabica (Arabian coffee)
- Coincya monensis subsp. cheiranthos ("Kibanasuzushiromodoki")
- Coix lacryma-jobi (Job's tears, "Juzudama")
- Cojoba arborea var. angustifolia
- Colchicum autumnale (autumn crocus, "Inusafuran")
- Coleonema (genus, confetti bush)
- Coleostephus (genus)
- Collomia linearis ("Hosobayanagihanashinobu")
- Colocasia esculenta (eddoe, "Satoimo")
- Colocasia esculenta var. aquatilis ("Mizuimo")
- Colubrina asiatica ("Yaeyamahamanatsume")
- Colutea arborescens (bladder-senna, "Bokomame")
- Colysis elegans ("Komachiiwahitode")
- Colysis elegans × Colysis pothifolia ("Oiwahitodemodoki")
- Colysis elliptica ("Iwahitode")
- Colysis hemionitidea ("Taiwankuriharan")
- Colysis henryi ("Obayarinohoran")
- Colysis insignis ("Hokozakiuraboshi")
- Colysis pothifolia ("Oiwahitode")
- Colysis pteropus ("Mitsudeherashida")
- Colysis wrightii ("Yarinohokuriharan")
- Colysis × kiusiana ("Aiiwahitode")
- Colysis × leptophylla ("Usubaiwahitode")
- Colysis × megalolepis ("Hitotsubaiwahitode")
- Colysis × shintenensis
- Comanthosphace japonica ("Tenninso")
- Comanthosphace japonica f. albiflora ("Shirobanatenninso")
- Comanthosphace japonica f. barbinervia ("Fujitenninso")
- Comanthosphace japonica × Comanthosphace stellipila ("Murasakitenninso")
- Comanthosphace stellipila
- Comanthosphace stellipila var. radicans ("Omarubanotenninso")
- Comanthosphace stellipila var. stellipila ("Mikaeriso")
- Comanthosphace stellipila var. stellipila f. albiflora ("Shirobanamikaeriso")
- Comarum palustre (purple marshlocks, "Kurobanaroge")
- Comastoma pulmonarium
- Comastoma pulmonarium subsp. sectum ("Sanpukurindo")
- Comastoma pulmonarium subsp. sectum f. albiflorum ("Shirobanasanpukurindo")
- Commelina auriculata ("Horaitsuyukusa")
- Commelina auriculata f. albiflora ("Shirobanahoraitsuyukusa")
- Commelina benghalensis (Benghal dayflower, "Marubatsuyukusa")
- Commelina caroliniana (Carolina dayflower)
- Commelina communis
- Commelina communis var. communis (Asiatic dayflower, "Tsuyukusa")
- Commelina communis var. communis f. albiflora ("Shirobanatsuyukusa")
- Commelina communis var. communis f. ciliata ("Ketsuyukusa")
- Commelina communis var. communis f. miranda ("Usagitsuyukusa")
- Commelina communis var. hortensis ("Oboshibana")
- Commelina communis var. ludens ("Hosobatsuyukusa")
- Commelina diffusa
- Commelina diffusa var. diffusa (climbing dayflower, "Shimatsuyukusa")
- Commelina diffusa var. gigas ("Oshimatsuyukusa")
- Commelina paludosa ("Nanbantsuyukusa")
- Commiphora myrrha (common myrrh)
- Comospermum yedoense ("Keibiran")
- Conandron ramondioides
- Conandron ramondioides var. pilosus ("Keiwatabako")
- Conandron ramondioides var. ramondioides ("Iwatabako")
- Conandron ramondioides var. ramondioides f. leucanthus ("Shirobanaiwatabako")
- Conandron ramondioides var. taiwanensis ("Taiwan'iwatabako")
- Coniogramme gracilis ("Hosobaiwaganeso")
- Coniogramme intermedia ("Iwaganezenmai")
- Coniogramme intermedia f. nosei ("Chichibuiwagane")
- Coniogramme intermedia f. villosa ("Urageiwagane")
- Coniogramme japonica ("Iwaganeso")
- Coniogramme japonica f. flavomaculata ("Fuiriiwaganeso")
- Coniogramme × fauriei ("Inuiwaganeso")
- Coniogramme × fauriei nothof. kisoensis ("Kisoinuiwaganeso")
- Coniogramme × fauriei nothof. kojimae ("Kodamainuiwagane")
- Conioselinum chinense ("Karafutoninjin")
- Conioselinum filicinum ("Miyamasenkyu")
- Conium maculatum ("Dokuninjin")
- Conoclinium coelestinum (blue mistflower)
- Conringia orientalis ("Natanehatazao")
- Convallaria majalis (lily of the valley, "Doitsusuzuran")
- Convallaria majalis var. manshurica (lily of the valley, "Suzuran")
- Convolvulus althaeoides ("Aoihirugao")
- Convolvulus arvensis (common bindweed, "Seiyohirugao")
- Convolvulus cantabrica ("Muradachihirugao")
- Convolvulus cneorum (silverbush)
- Convolvulus nyctagineus ("Oregonhirugao")
- Convolvulus pilosellifolius ("Himemuradachihirugao")
- Convolvulus sabatius (ground blue-convolvulus)
- Convolvulus tricolor (dwarf morning-glory, "Sanshikiasagao")
- Conyza aegyptiaca ("Kikubaizuhahako")
- Conyza bonariensis (hairy fleabane, "Arechinogiku")
- Conyza canadensis (Canadian horseweed, "Himemukashiyomogi")
- Conyza japonica ("Izuhahako")
- Conyza leucantha ("Nebariizuhahako")
- Conyza parva ("Kenashihimemukashiyomogi")
- Conyza sumatrensis (Guernsey fleabane, "Oarechinogiku")
- Coprosma repens (tree bedstraw)
- Coptis japonica ("Oren")
- Coptis japonica var. anemonifolia ("Kikubaoren")
- Coptis japonica var. anemonifolia f. viridiflora ("Midorioren")
- Coptis japonica var. japonica ("Koseribaoren")
- Coptis japonica var. major ("Seribaoren")
- Coptis kitayamensis
- Coptis lutescens ("Usugioren")
- Coptis minamitaniana ("Hyugaoren")
- Coptis quinquefolia
- Coptis quinquefolia var. quinquefolia ("Baikaoren")
- Coptis quinquefolia var. shikokumontana ("Shikokubaikaoren")
- Coptis quinquefolia var. shikokumontana f. plenisepala ("Yaenobaikaoren")
- Coptis ramosa ("Ogokayoren")
- Coptis trifolia ("Mitsubaoren")
- Coptis trifolia f. plena ("Tamazakimitsubaoren")
- Coptis trifolia f. semiplena ("Yaezakimitsubaoren")
- Coptis trifoliolata ("Mitsubanobaikaoren")
- Coptosapelta diffusa ("Hyotankazura")
- Corchoropsis crenata ("Karasunogoma")
- Corchorus aestuans ("Shimatsunaso")
- Corchorus capsularis ("Tsunaso")
- Corchorus olitorius (nalta jute, "Taiwantsunaso")
- Cordia aspera subsp. kanehirae ("Togeminoinujisha")
- Cordia dichotoma ("Kakibachishanoki")
- Cordyline (genus)
- Cordyline australis (cabbage tree, "Nioishuroran")
- Cordyline fruticosa (Ti plant, "Sennenboku")
- Cordyline stricta (slender palm lily)
- Coreopsis basalis ("Kinkeigiku")
- Coreopsis lanceolata (lance-leaved coreopsis, "Okinkeigiku")
- Coreopsis tinctoria (plains coreopsis, "Harushagiku")
- Coreopsis verticillata (whorled tickseed, "Itobaharushagiku")
- Coriandrum sativum (coriander, "Koendoro")
- Coriaria japonica ("Dokutsugi")
- Corispermum hyssopifolium ("Arechihijiki")
- Cornopteris banajaoensis ("Hosobashikechishida")
- Cornopteris christenseniana ("Hakoneshikechishida")
- Cornopteris crenulatoserrulata ("Ipponwarabi")
- Cornopteris decurrenti-alata ("Shikechishida")
- Cornopteris decurrenti-alata f. musashiensis ("Takaoshikechishida")
- Cornopteris opaca ("Nangokushikechishida")
- Cornopteris opaca f. glabrescens ("Nangokushikechishida")
- Cornopteris opaca f. opaca ("Arisanshikechishida")
- Cornopteris × masachikana ("Yakushikechishida")
- Cornopteris × undulatipinnula ("Kirehashikechishida")
- Cornus alba ‘Sibirica’ ("Sangomizuki")
- Cornus canadensis ("Gozentachibana")
- Cornus controversa
- Cornus controversa var. controversa (wedding cake tree, "Mizuki")
- Cornus controversa var. controversa f. albifructa ("Kujumizuki")
- Cornus controversa var. shikokumontana ("Ishizuchimizuki")
- Cornus florida (flowering dogwood, "Hanamizuki")
- Cornus hongkongensis (Hong Kong dogwood, "Tokiwayamaboshi")
- Cornus hongkongensis subsp. melanotricha ("Gabisan'yamaboshi")
- Cornus kousa
- Cornus kousa subsp. chinensis ("Yaeyamayamaboshi")
- Cornus kousa subsp. kousa (kousa dogwood, "Yamaboshi")
- Cornus kousa subsp. kousa f. magnifica ("Hanayamaboshi")
- Cornus kousa subsp. kousa f. rosea ("Beniyamaboshi")
- Cornus kousa subsp. kousa f. viridis ("Aoyamaboshi")
- Cornus macrophylla ("Kumanomizuki")
- Cornus officinalis (Japanese cornel, "Sanshuyu")
- Cornus suecica ("Ezogozentachibana")
- Corokia cotoneaster (wire-netting bush)
- Coronilla scorpioides ("Tsurishakujo")
- Coronilla valentina (shrubby scorpion-vetch)
- Cortaderia selloana (pampas grass, "Shiroganeyoshi")
- Cortusa matthioli subsp. pekinensis var. sachalinensis ("Sakurasomodoki")
- Corydalis balansae ("Shimakikeman")
- Corydalis decumbens ("Jiroboengosaku")
- Corydalis decumbens f. albescens ("Shirobanajiroboengosaku")
- Corydalis fukuharae ("Otomeengosaku")
- Corydalis fukuharae f. albescens ("Shirobanaotomeengosaku")
- Corydalis fumariifolia subsp. azurea ("Ezoengosaku")
- Corydalis fumariifolia subsp. azurea f. candida ("Shirobanaezoengosaku")
- Corydalis gigantea ("Ezookeman")
- Corydalis heterocarpa
- Corydalis heterocarpa var. brachystyla ("Muninkikeman")
- Corydalis heterocarpa var. heterocarpa ("Tsukushikikeman")
- Corydalis heterocarpa var. japonica ("Kikeman")
- Corydalis incisa ("Murasakikeman")
- Corydalis incisa f. bicolor ("Shinanosarasakeman")
- Corydalis incisa f. candida ("Yukiyabukeman")
- Corydalis incisa f. pallescens ("Shiroyabukeman")
- Corydalis kushiroensis ("Chidorikeman")
- Corydalis lineariloba
- Corydalis lineariloba var. capillaris ("Himeengosaku")
- Corydalis lineariloba var. lineariloba ("Yamaengosaku")
- Corydalis ochotensis ("Tsurukeman")
- Corydalis ophiocarpa ("Yamakikeman")
- Corydalis orthoceras ("Michinokuengosaku")
- Corydalis pallida
- Corydalis pallida var. pallida ("Furokeman")
- Corydalis pallida var. tenuis ("Miyamakikeman")
- Corydalis papilligera ("Kinkiengosaku")
- Corydalis racemosa ("Hozakikikeman")
- Corydalis raddeana ("Nagaminotsurukeman")
- Corydalis speciosa ("Ezokikeman")
- Corydalis wilfordii ("Takanekikeman")
- Corylopsis glabrescens ("Kirishimamizuki")
- Corylopsis gotoana
- Corylopsis gotoana var. gotoana ("Koyamizuki")
- Corylopsis gotoana var. pubescens ("Higomizuki")
- Corylopsis pauciflora (buttercup witch-hazel, "Hyugamizuki")
- Corylopsis spicata (spike witch-hazel, "Tosamizuki")
- Corylus heterophylla (Asian hazel, "Hashibami")
- Corylus heterophylla var. heterophylla (Siberian hazel, "Ohashibami")
- Corylus heterophylla var. thunbergii ("Hashibami")
- Corylus heterophylla var. yezoensis ("Ezohashibami")
- Corylus sieboldiana
- Corylus sieboldiana var. brevirostris ("Tokkurihashibami")
- Corylus sieboldiana var. mandshurica ("Otsunohashibami")
- Corylus sieboldiana var. sieboldiana (Asian beaked hazel, "Tsunohashibami")
- Corymbia ficifolia (red flowering gum)
- Corymborkis subdensa ("Chikusetsuran")
- Corymborkis veratrifolia ("Baikeiran")
- Corytoplectus capitatus
- Cosmos atrosanguineus
- Cosmos bipinnatus (garden cosmos)
- Cosmos caudatus ("Yasaikosumosu")
- Cosmos sulphureus (sulfur cosmos, "Kibanakosumosu")
- Costus dubius
- Costus osae (dwarf orange ginger)
- Costus subsessilis
- Cotinus coggygria (European smoketree, "Kemurinoki")
- Cotoneaster dammeri (bearberry cotoneaster)
- Cotoneaster horizontalis (rockspray cotoneaster, "Benishitan")
- Cotoneaster lacteus (late cotoneaster)
- Cotoneaster salicifolius (willow-leaved cotoneaster)
- Cotula australis (bachelor's buttons, "Mamekamitsure")
- Cotula coronopifolia ("Ushioshikagiku")
- Cotula hemisphaerica ("Takasagotokinso")
- Crassocephalum crepidioides (redflower ragleaf, "Benibanaborogiku")
- Crassula (genus)
- Crassula (genus, "Rokea")
- Crassula multicava (fairy crassula)
- Crassula portulacea (jade plant)
- Crataegus chlorosarca ("Kuromisanzashi")
- Crataegus cuneata (Chinese hawthorn, "Sanzashi")
- Crataegus jozana ("Ezosanzashi")
- Crataegus laevigata (Midland hawthorn, "Seiyosanzashi")
- Crataegus maximowiczii ("Obasanzashi")
- Crateva formosensis (barna, "Gyoboku")
- Cremastra aphylla ("Moiwaran")
- Cremastra appendiculata var. variabilis ("Saihairan")
- Cremastra appendiculata var. variabilis f. viridiflora ("Aosaihairan")
- Cremastra unguiculata ("Tokenran")
- Crepidiastrum ameristophyllum ("Yuzurihawadan")
- Crepidiastrum chelidoniifolium ("Kusanobanogiku")
- Crepidiastrum denticulatum ("Yakushiso")
- Crepidiastrum denticulatum f. pallescens ("Usuiroyakushiso")
- Crepidiastrum denticulatum f. pinnatipartitum ("Hanayakushiso")
- Crepidiastrum grandicollum ("Koheranaren")
- Crepidiastrum keiskeanum ("Azetona")
- Crepidiastrum keisukeanum f. pinnatilobum ("Sotetsubaazetona")
- Crepidiastrum lanceolatum
- Crepidiastrum lanceolatum var. daitoense ("Daitowadan")
- Crepidiastrum lanceolatum var. lanceolatum ("Hosobawadan")
- Crepidiastrum lanceolatum var. lanceolatum f. pinnatilobum ("Hamanaren")
- Crepidiastrum linguifolium ("Heranaren")
- Crepidiastrum platyphyllum ("Wadan")
- Crepidiastrum yoshinoi ("Nagabayakushiso")
- Crepidiastrum × muratagenii ("Yakushihosobawadan")
- Crepidiastrum × nakaii ("Yakushiwadan")
- Crepidiastrum × semiauriculatum ("Atetsuyakushiso")
- Crepidiastrum × surugense ("Yakushiazetona")
- Crepidomanes acuto-obtusum ("Ogasawarahoragoke")
- Crepidomanes bipunctatum ("Oaohoragoke")
- Crepidomanes bonincola ("Ogasawarauchiwagoke")
- Crepidomanes humile ("Himehoragoke")
- Crepidomanes kurzii ("Mamehoragoke")
- Crepidomanes latealatum
- Crepidomanes latealatum var. latealatum ("Aohoragoke")
- Crepidomanes latealatum var. makinoi ("Kokehoragoke")
- Crepidomanes latemarginale ("Matsubakokeshida")
- Crepidomanes minutum ("Uchiwagoke")
- Crepidomanes schmidtianum ("Chichibuhoragoke")
- Crepidomanes thysanostomum ("Kanshinobuhoragoke")
- Crepis capillaris ("Seiyonigana")
- Crepis gymnopus ("Ezotakanenigana")
- Crepis hokkaidoensis ("Futamatatanpopo")
- Crepis rubra (red hawksbeard, "Momoirotanpopo")
- Crepis setosa ("Arechinigana")
- Crepis tectorum ("Yanetabirako")
- Crinum (genus, "Kurinamu")
- Crinum asiaticum
- Crinum asiaticum var. japonicum (poison bulb, "Hamaomoto")
- Crinum asiaticum var. sinicum ("Taiwanhamaomoto")
- Crinum ×powellii (swamp lily)
- Crocosmia × crocosmiiflora (montbretia, "Himehiogizuisen")
- Crocus (genus, crocus, "Kurokkasu")
- Crocus sativus (saffron, "Safuran")
- Croomia heterosepala ("Nabewari")
- Croomia hyugaensis
- Croomia japonica ("Himenabewari")
- Croomia saitoana ("Kobananabewari")
- Crossandra infundibuliformis (firecracker flower, "Kitsunenohigasa")
- Crossandra nilotica ("Shiragekitsunenohigasa")
- Crossostephium chinense ("Mokubyakko")
- Crotalaria assamica ("Koganetanukimame")
- Crotalaria bialata ("Hanetanukimame")
- Crotalaria calycina ("Gakutanukimame")
- Crotalaria incana ("Koshuntanukimame")
- Crotalaria juncea (sunn hemp, "Sanhenpu")
- Crotalaria leioloba ("Nanbantanukimame")
- Crotalaria micans ("Amerikatanukimame")
- Crotalaria montana var. angustifolia ("Yaeyamatanukimame")
- Crotalaria pallida var. obovata ("Omitsubatanukimame")
- Crotalaria quinquefolia ("Hauchiwatanukimame")
- Crotalaria sessiliflora ("Tanukimame")
- Crotalaria spectabilis ("Obatanukimame")
- Crotalaria trichotoma ("Afurikatanukimame")
- Crotalaria uncinella subsp. elliptica ("Edauchitanukimame")
- Croton cascarilloides ("Gumimodoki")
- Croton tiglium ("Hazu")
- Crowea (genus)
- Crypsis schoenoides ("Hogakureshiba")
- Cryptocarya chinensis ("Shinakusumodoki")
- Cryptogramma crispa ("Rishirishinobu")
- Cryptogramma stelleri ("Yatsugatakeshinobu")
- Cryptomeria japonica
- Cryptomeria japonica var. japonica (Japanese cedar, "Sugi")
- Cryptomeria japonica var. japonica f. radicans ("Ashiusugi")
- Cryptostylis arachnites ("Osuzumushiran")
- Cryptostylis taiwaniana ("Takaoosuzumushiran")
- Cryptotaenia canadensis subsp. japonica (mitsuba)
- Cryptotaenia canadensis subsp. japonica f. dissecta ("Ushimitsuba")
- Cryptotaenia canadensis subsp. japonica f. warabiana ("Haniyamitsuba")
- Ctenitis eatonii ("Horakaguma")
- Ctenitis iriomotensis ("Komidakeshida")
- Ctenitis lepigera ("Kinmoinode")
- Ctenitis microlepigera ("Kokinmoinode")
- Ctenitis subglandulosa ("Katsumoinode")
- Cucumis anguria (cackrey)
- Cucumis melo
- Cucumis melo ("Zassomeron")
- Cucumis sativus (cucumber, "Kyuri")
- Cucurbita maxima (autumn pumpkin, "Seiyokabocha")
- Cucurbita moschata (winter pumpkin, "Nihonkabocha")
- Cucurbita pepo ‘Melopepo’
- Cullen cinereus ("Kumatsuzurahagi")
- Cullen corylifolius ("Orandabiyu")
- Cuphea carthagenensis ("Nebarimisohagi")
- Cuphea hyssopifolia (false heather, "Mekishikohanayanagi")
- Cuphea lanceolata (cigar flower)
- Cuphea ramosissima
- Cupressus arizonica (Arizona cypress)
- Cupressus macrocarpa ‘Goldcrest’
- Cupressus sempervirens (Mediterranean cypress, "Hosoitosugi")
- Curculigo orchioides ("Kinbaizasa")
- Curcuma (genus)
- Curcuma aromatica (wild turmeric, "Kyo")
- Curcuma longa (turmeric)
- Cuscuta australis ("Mamedaoshi")
- Cuscuta campestris (field dodder, "Amerikanenashikazura")
- Cuscuta chinensis ("Hamanenashikazura")
- Cuscuta epilinum ("Amadaoshi")
- Cuscuta epithymum ("Tsumekusadaoshi")
- Cuscuta europaea ("Kushironenashikazura")
- Cuscuta japonica (Japanese dodder, "Nenashikazura")
- Cuscuta japonica f. viridicaulis ("Midorinenashikazura")
- Cyanthillum cinereum ("Murasakimukashiyomogi")
- Cyanus montanus (perennial cornflower, "Yamayagurumagiku")
- Cyathea hancockii ("Kusamaruhachi")
- Cyathea lepifera ("Hikagehego")
- Cyathea mertensiana ("Maruhachi")
- Cyathea metteniana ("Chabohego")
- Cyathea ogurae ("Mehego")
- Cyathea podophylla ("Kurohego")
- Cyathea spinulosa ("Hego")
- Cyathea tuyamae ("Edauchimuninhego")
- Cycas revoluta (fern palm, "Sotetsu")
- Cycas revoluta
- Cyclamen (genus)
- Cyclamen (genus)
- Cyclamen (genus)
- Cyclamen persicum
- Cyclanchaena xanthifolia ("Funabashiso")
- Cyclea insularis ("Miyakojimatsuzurafuji")
- Cyclea insularis f. subglabra ("Kenashimiyakojimatsuzurafuji")
- Cyclocodon lancifolius ("Tangebu")
- Cycloloma atriplicifolium ("Hoshisango")
- Cyclospermum leptophyllum (marsh parsley, "Matsubazeri")
- Cydonia oblonga (common quince, "Marumero")
- Cymbalaria muralis (ivy-leaved toadflax, "Tsutabaunran")
- Cymbidium (genus, "Shinbijiumu")
- Cymbidium dayanum ("Hetsukaran")
- Cymbidium ensifolium ("Surugaran")
- Cymbidium floribundum (yellow margin orchid, "Kinryohen")
- Cymbidium goeringii
- Cymbidium goeringii var. goeringii (noble orchid, "Shunran")
- Cymbidium goeringii var. gracillimum ("Hosobashunran")
- Cymbidium kanran
- Cymbidium lancifolium ("Akizakinagiran")
- Cymbidium macrorhizon ("Mayaran")
- Cymbidium macrorhizon f. aberrans ("Sagamiranmodoki")
- Cymbidium nagifolium
- Cymbidium nipponicum ("Sagamiran")
- Cymbidium sinense ("Hosai")
- Cymbidium × nishiuchianum ("Harukanran")
- Cymbidium × nomachianum ("Naginohahimekanran")
- Cymbopogon citratus (lemon grass)
- Cymbopogon martini (palmarosa)
- Cymbopogon tortilis
- Cymbopogon tortilis var. goeringii ("Ogarukaya")
- Cymbopogon tortilis var. tortilis ("Shimaogarukaya")
- Cymodocea rotundata ("Beniamamo")
- Cymodocea serrulata ("Ryukyuamamo")
- Cynanchum boudieri ("Amamiikema")
- Cynanchum caudatum
- Cynanchum caudatum var. caudatum ("Ikema")
- Cynanchum caudatum var. tanzawamontanum ("Tanzawaikema")
- Cynanchum liukiuense
- Cynanchum wilfordii ("Koikema")
- Cynara cardunculus (artichoke thistle)
- Cynara scolymus (artichoke)
- Cynodon dactylon
- Cynodon dactylon var. dactylon (Bermuda grass, "Gyogishiba")
- Cynodon dactylon var. nipponicus ("Ogyogishiba")
- Cynodon nlemfuensis ("Afurikagyogishiba")
- Cynodon plectostachys ("Onigyogishiba")
- Cynoglossum (genus, "Shinogurossamu")
- Cynoglossum amabile (Chinese forget-me-not, "Hosobaruriso")
- Cynoglossum asperrimum ("Oniruriso")
- Cynoglossum furcatum ("Oruriso")
- Cynoglossum furcatum var. furcatum ("Usubaruriso")
- Cynoglossum furcatum var. villosulum ("Oruriso")
- Cynoglossum furcatum var. villosulum f. albiflorum ("Shirobanaoruriso")
- Cynoglossum lanceolatum var. formosanum ("Taiwanruriso")
- Cynoglossum lanceolatum var. formosanum f. albiflorum ("Shirobanashimaruriso")
- Cynosurus cristatus ("Kushigaya")
- Cynosurus echinatus ("Higegaya")
- Cyperus aggregatus ("Arechikugu")
- Cyperus alopecuroides ("Okinawaogayatsuri")
- Cyperus alternifolius subsp. tlabelliformis (umbrella-plant, "Shurogayatsuri")
- Cyperus amuricus
- Cyperus amuricus var. amuricus ("Chagayatsuri")
- Cyperus amuricus var. japonicus ("Kochagayatsuri")
- Cyperus amuricus × Cyperus orthostachyus ("Himeushikugu")
- Cyperus aromaticus ("Kurumabahimekugu")
- Cyperus articulatus ("Futoigayatsuri")
- Cyperus brevifolius
- Cyperus brevifolius var. brevifolius ("Aidakugu")
- Cyperus brevifolius var. leiolepis ("Himekugu")
- Cyperus compactus ("Bitokugu")
- Cyperus compressus (annual sedge, "Kugugayatsuri")
- Cyperus compressus × Cyperus nipponicus ("Kuguaogayatsuri")
- Cyperus congestus ("Yumenoshimagayatsuri")
- Cyperus cyperinus ("Shimakugu")
- Cyperus cyperoides ("Inukugu")
- Cyperus diaphanus ("Tachigayatsuri")
- Cyperus difformis (variable flatsedge, "Tamagayatsuri")
- Cyperus digitatus ("Ohokigayatsuri")
- Cyperus distans ("Hokigayatsuri")
- Cyperus echinatus ("Mikurigayatsuri")
- Cyperus engelmannii (Engelmann's flatsedge, "Hosomikingayatsuri")
- Cyperus eragrostis (tall flatsedge, "Merikengayatsuri")
- Cyperus esculentus (chufa sedge, "Shokuyogayatsuri")
- Cyperus exaltatus var. iwasakii ("Kan'engayatsuri")
- Cyperus ferruginescens ("Himemutsuoregayatsuri")
- Cyperus filiculmis ("Arechihamasuge")
- Cyperus flaccidus ("Hinagayatsuri")
- Cyperus flavidus ("Azegayatsuri")
- Cyperus glomeratus ("Numagayatsuri")
- Cyperus glomeratus × Cyperus nipponicus ("Numaaogayatsuri")
- Cyperus haspan ("Koazegayatsuri")
- Cyperus haspan var. microhaspan ("Tsurunashikoazegayatsuri")
- Cyperus haspan var. tuberiferus ("Koazegayatsuri")
- Cyperus houghtonii ("Miyaginogayatsuri")
- Cyperus imbricatus ("Ogayatsuri")
- Cyperus iria ("Kogomegayatsuri")
- Cyperus javanicus ("Onikugu")
- Cyperus kamtschaticus ("Tachihimekugu")
- Cyperus kyllingia ("Ohimekugu")
- Cyperus longus ("Seitakahamasuge")
- Cyperus malaccensis subsp. monophyllus ("Shichitoi")
- Cyperus michelianus ("Koshirogayatsuri")
- Cyperus microiria ("Kayatsurigusa")
- Cyperus niigatensis
- Cyperus nipponicus
- Cyperus nipponicus var. nipponicus ("Aogayatsuri")
- Cyperus nipponicus var. spiralis ("Oshirogayatsuri")
- Cyperus nutans var. subprolixus ("Himehokigayatsuri")
- Cyperus odoratus (fragrant flatsedge, "Kingayatsuri")
- Cyperus ohwii ("Tsukushiogayatsuri")
- Cyperus orthostachyus ("Ushikugu")
- Cyperus oxylepis ("Otagayatsuri")
- Cyperus pacificus ("Shirogayatsuri")
- Cyperus pedunculatus ("Koshunsuge")
- Cyperus pilosus ("Onigayatsuri")
- Cyperus polystachyos (bunchy sedge, "Igagayatsuri")
- Cyperus procerus ("Hokutogayatsuri")
- Cyperus pygmaeus ("Himeaogayatsuri")
- Cyperus retrorsus ("Himemikurigayatsuri")
- Cyperus rotundus
- Cyperus rotundus var. rotundus (coco-grass, "Hamasuge")
- Cyperus rotundus var. yoshinagae ("Tosanohamasuge")
- Cyperus sanguinolentus ("Kawarasugana")
- Cyperus sanguinolentus f. spectabilis ("Shidegayatsuri")
- Cyperus serotinus ("Mizugayatsuri")
- Cyperus sesquiflorus subsp. cylindricus ("Taitokugu")
- Cyperus sphacelatus ("Gomafugayatsuri")
- Cyperus stoloniferus ("Sunahamasuge")
- Cyperus strigosus ("Koganegayatsuri")
- Cyperus sulcinux ("Mizomigayatsuri")
- Cyperus tenuispica ("Himegayatsuri")
- Cyperus textilis ("Koshurogayatsuri")
- Cyperus tuberosus ("Takaogayatsuri")
- Cyperus unioloides ("Mugigaragayatsuri")
- Cyperus × amuricoides ("Ainokogayatsuri")
- Cyperus × babae ("Onichagayatsuri")
- Cyperus × borealikiiensis ("Koyagayatsuri")
- Cyperus × condensatus ("Fusagayatsuri")
- Cyperus × kadzusensis ("Kazusagayatsuri")
- Cyperus × mihasii ("Hirabogayatsuri")
- Cyperus × ogawae ("Chahamasuge")
- Cyperus × yamamotoi ("Konigayatsuri")
- Cypripedium calceolus ("Karafutoatsumoriso")
- Cypripedium debile ("Koatsumoriso")
- Cypripedium guttatum ("Chosenkibanaatsumoriso")
- Cypripedium japonicum
- Cypripedium japonicum var. glabrum ("Hitachikumagaiso")
- Cypripedium japonicum var. japonicum (Japanese cypripedium, "Kumagaiso")
- Cypripedium japonicum var. japonicum f. urasawae ("Kibanakumagaiso")
- Cypripedium macranthos
- Cypripedium macranthos var. flavum ("Rebun'atsumoriso")
- Cypripedium macranthos var. macranthos ("Hoteiatsumoriso")
- Cypripedium macranthos var. speciosum ("Atsumoriso")
- Cypripedium macranthos var. speciosum f. albiflorum ("Shirobanaatsumoriso")
- Cypripedium shanxiense ("Dotoatsumoriso")
- Cypripedium yatabeanum ("Kibananoatsumoriso")
- Cyrtandra yaeyamae ("Mizubiwaso")
- Cyrtanthus (genus, "Kirutansasu")
- Cyrtanthus elatus (Scarborough lily)
- Cyrtococcum patens
- Cyrtococcum patens var. latifolium ("Hirohahimechigozasa")
- Cyrtococcum patens var. patens ("Himechigozasa")
- Cyrtomium atropunctatum ("Izuyabusotetsu")
- Cyrtomium balansae ("Miyajimashida")
- Cyrtomium caryotideum ("Meyapusotetsu")
- Cyrtomium caryotideum × Cyrtomium devexiscapulae ("Nagabameyabusotetsu")
- Cyrtomium devexiscapulae ("Nagabayabusotetsu")
- Cyrtomium devexiscapulae × Cyrtomium falcatum subsp. falcatum ("Aioniyabusotetsu")
- Cyrtomium devexiscapulae × Cyrtomium fortunei var. clivicola ("Mamushiyabusotetsu")
- Cyrtomium devexiscapulae × Cyrtomium laetevirens ("Kumamotoyabusotetsu")
- Cyrtomium devexiscapulae × Cyrtomium yamamotoi ("Nagabamiyakoyabusotetsu")
- Cyrtomium falcatum
- Cyrtomium falcatum subsp. australe ("Munin'oniyabusotetsu")
- Cyrtomium falcatum subsp. falcatum (Asian net-veined holly fern, "Oniyabusotetsu")
- Cyrtomium falcatum subsp. littorale ("Himeoniyabusotetsu")
- Cyrtomium fortunei ("Yabusotetsu")
- Cyrtomium fortunei var. clivicola ("Yamayabusotetsu")
- Cyrtomium fortunei var. fortunei ("Tsuyanashiyabusotetsu")
- Cyrtomium hookerianum ("Hosobayabusotetsu")
- Cyrtomium laetevirens ("Terihayabusotetsu")
- Cyrtomium macrophyllum
- Cyrtomium macrophyllum var. macrophyllum ("Hirohayabusotetsu")
- Cyrtomium macrophyllum var. tukusicola ("Tsukushiyabusotetsu")
- Cyrtomium microindusium ("Kumayabusotetsu")
- Cyrtomium yamamotoi ("Miyakoyabusotetsu")
- Cyrtosia septentrionalis ("Tsuchiakebi")
- Cyrtostachys renda (lipstick palm, "Shojoyashi")
- Cystopteris filix-fragilis ("Nayoshida")
- Cystopteris sudetica ("Yamahimewarabi")
- Cytisus scoparius (common broom, "Enishida")
- Cytisus ×spachianus ("Himeenishida")