
Plant Encyclopedia
Scientific names: S 1524 plants
- Sabia japonica ("Aokazura")
- Saccharum arundinaceum ("Yoshisusuki")
- Saccharum formosanum var. pollinioides ("Murasakitakaosusuki")
- Saccharum officinarum (sugar cane, "Satokibi")
- Saccharum spontaneum
- Saccharum spontaneum var. arenicola ("Waseobana")
- Saccharum spontaneum var. spontaneum ("Nangokuwaseobana")
- Saccharum × kanashiroi ("Murasakiobana")
- Sacciolepis myosuroides ("Haranumeri")
- Sacciolepis spicata
- Sacciolepis spicata var. angusta ("Hosohainumeri")
- Sacciolepis spicata var. oryzetorum ("Numerigusa")
- Sacciolepis spicata var. spicata ("Hainumerigusa")
- Sageretia thea
- Sageretia thea var. thea ("Kuroige")
- Sageretia thea var. tomentosa ("Kekuroige")
- Sagina apetala ("Itotsumekusa")
- Sagina decumbens ("Kinuitotsumekusa")
- Sagina japonica ("Tsumekusa")
- Sagina maxima ("Hamatsumekusa")
- Sagina maxima f. crassicaulis ("Ezohamatsumekusa")
- Sagina procumbens ("Araitotsumekusa")
- Sagina saginoides ("Chishimatsumekusa")
- Sagina subulata (Irish-moss)
- Sagittaria aginashi
- Sagittaria graminea (grassy arrowhead, "Nagabaomodaka")
- Sagittaria natans ("Karafutoguwai")
- Sagittaria pygmaea (dwarf arrowhead, "Urikawa")
- Sagittaria trifolia
- Sagittaria trifolia var. alismifolia ("Hitotsubaomodaka")
- Sagittaria trifolia var. trifolia (arrowhead, "Omodaka")
- Sagittaria trifolia var. trifolia f. longiloba ("Hosobaomodaka")
- Saintpaulia (genus)
- Salicornia europaea ("Akkeshiso")
- Salix arbutifolia ("Keshoyanagi")
- Salix babylonica (weeping willow, "Shidareyanagi")
- Salix caprea (goat willow, "Bakkoyanagi")
- Salix caprea × Salix hukaoana ("Doaiyanagi")
- Salix cardiophylla
- Salix cardiophylla var. cardiophylla ("Tokachiyanagi")
- Salix cardiophylla var. urbaniana ("Obayanagi")
- Salix chaenomeloides ("Marubayanagi")
- Salix dolichostyla
- Salix dolichostyla subsp. dolichostyla ("Shiroyanagi")
- Salix dolichostyla subsp. serissifolia ("Kogomeyanagi")
- Salix dolichostyla subsp. serissifolia f. pendula ("Shidarekogomeyanagi")
- Salix eriocarpa ("Jayanagi")
- Salix fuscescens ("Miyamayachiyanagi")
- Salix futura ("Okitsuneyanagi")
- Salix futura f. rufa ("Akageokitsuneyanagi")
- Salix gracilistyla
- Salix gracilistyla var. graciliglans ("Chosennekoyanagi")
- Salix gracilistyla var. gracilistyla (rose-gold pussy willow, "Nekoyanagi")
- Salix gracilistyla var. gracilistyla f. pendula ("Shidarenekoyanagi")
- Salix hukaoana ("Yubisoyanagi")
- Salix integra ("Inukoriyanagi")
- Salix integra f. albovariegata ("Fuiriinukoriyanagi")
- Salix integra f. pendula ("Shidareinukoriyanagi")
- Salix japonica ("Shibayanagi")
- Salix koriyanagi
- Salix matsudana ("Unryuyanagi")
- Salix miyabeana
- Salix miyabeana subsp. gymnolepis ("Kawayanagi")
- Salix miyabeana subsp. gymnolepis f. pendula ("Shidarekawayanagi")
- Salix miyabeana subsp. miyabeana ("Ezonokawayanagi")
- Salix nakamurana
- Salix nakamurana subsp. kurilensis ("Hidakamineyanagi")
- Salix nakamurana subsp. nakamurana ("Rengeiwayanagi")
- Salix nakamurana subsp. nakamurana f. eriocarpa ("Ketakaneiwayanagi")
- Salix nakamurana subsp. yezoalpina ("Ezonotakaneyanagi")
- Salix nakamurana subsp. yezoalpina f. neoreticulata ("Inumarubayanagi")
- Salix nummularia ("Ezomameyanagi")
- Salix nummularia f. hebecarpa ("Kinugeezomameyanagi")
- Salix pierotii ("Otachiyanagi")
- Salix pseudopentandra ("Terihayanagi")
- Salix reinii ("Miyamayanagi")
- Salix reinii f. eriocarpa ("Kinugemiyamayanagi")
- Salix reinii f. pendula ("Shidaremineyanagi")
- Salix rorida ("Ezoyanagi")
- Salix rorida f. pendula ("Shidareezoyanagi")
- Salix rorida f. roridiformis ("Koezoyanagi")
- Salix rupifraga ("Komaiwayanagi")
- Salix rupifraga f. eriocarpa ("Kekomaiwayanagi")
- Salix schwerinii ("Ezonokinuyanagi")
- Salix schwerinii ‘Kinuyanagi’ ("Kinuyanagi")
- Salix shiraii
- Salix shiraii var. kenoensis ("Chichibuyanagi")
- Salix shiraii var. shiraii
- Salix sieboldiana
- Salix sieboldiana var. doiana ("Satsumayanagi")
- Salix sieboldiana var. sieboldiana ("Yamayanagi")
- Salix subopposita ("Noyanagi")
- Salix taraikensis
- Salix triandra ("Tachiyanagi")
- Salix udensis ("Onoeyanagi")
- Salix vulpina
- Salix vulpina subsp. alopochroa ("Saikokukitsuneyanagi")
- Salix vulpina subsp. alopochroa f. psilostachys ("Kansaikitsuneyanagi")
- Salix vulpina subsp. vulpina ("Kitsuneyanagi")
- Salix yoshinoi
- Salix × ampherista
- Salix × ampherista nothosubsp. ampherista ("Hakodateyanagi")
- Salix × ampherista nothosubsp. yamatoensis ("Yamatoyanagi")
- Salix × arakiana ("Nagabanonekoyanagi")
- Salix × cremnophila ("Nekoshibayanagi")
- Salix × eriocataphylla ("Shigureyanagi")
- Salix × eriocataphylloides ("Nasunoshigureyanagi")
- Salix × euerata ("Kawaonoeyanagi")
- Salix × gracilistyloides ("Rokkoyanagi")
- Salix × hapala ("Inukawayanagi")
- Salix × hatusimae ("Chikuzen'yanagi")
- Salix × hayatana ("Ryuzojiyanagi")
- Salix × hiraoana
- Salix × hiraoana nothosubsp. hiraoana
- Salix × hiraoana nothosubsp. tsugaluensis ("Tsugaruyanagi")
- Salix × hisauchiana ("Fujiyanagi")
- Salix × ikenoana
- Salix × iwahisana
- Salix × kamikotica
- Salix × kawamurana ("Myojin'yanagi")
- Salix × koidzumii ("Toyoharayanagi")
- Salix × koiei ("Nushiroyanagi")
- Salix × lasiogyne
- Salix × lasiogyne nothosubsp. lasiogyne ("Shiroshidareyanagi")
- Salix × lasiogyne nothosubsp. yuhkii ("Yukishidare")
- Salix × matsumurae ("Okuyamasaruko")
- Salix × mictostemon ("Wakenokawayanagi")
- Salix × nasuensis
- Salix × pedionoma ("Bakkokinuyanagi")
- Salix × pseudopaludicola ("Omiyamayachiyanagi")
- Salix × sakamakiensis
- Salix × sendaica
- Salix × sendaica nothosubsp. sendaica
- Salix × sendaica nothosubsp. ultima ("Kongobakkoyanagi")
- Salix × sigemitui ("Fukaoyanagi")
- Salix × sirakawensis ("Kosekiyanagi")
- Salix × sugayana
- Salix × sumiyosensis
- Salix × thaymasta ("Miyakoyanagi")
- Salix × turumatii ("Hitachiyanagi")
- Salix ×leucopithecia ("Furisodeyanagi")
- Salomonia ciliata ("Hinanokanzashi")
- Salpichroa origanifolia ("Hakobehozuki")
- Salsola komarovii ("Okahijiki")
- Salsola tragus ("Harihijiki")
- Salvia argentea (silver sage)
- Salvia azurea (blue sage)
- Salvia clevelandii (fragrant sage)
- Salvia coccinea (blood sage)
- Salvia elegans (pineapple sage)
- Salvia farinacea (mealycup sage)
- Salvia gesneriiflora
- Salvia glabrescens
- Salvia glabrescens var. glabrescens ("Akigiri")
- Salvia glabrescens var. purpureomaculata ("Shiborimiyamaakigiri")
- Salvia glabrescens var. repens ("Haikotojiso")
- Salvia greggii (autumn sage)
- Salvia guaranitica (anise-scented sage)
- Salvia involucrata (roseleaf sage)
- Salvia isensis ("Shimajitamuraso")
- Salvia japonica ("Akinotamuraso")
- Salvia japonica f. albiflora ("Shirobanaakinotamuraso")
- Salvia japonica f. chinensis ("Marubanoakinotamuraso")
- Salvia japonica f. lanuginosa ("Kebukaakinotamuraso")
- Salvia japonica f. polakioides ("Inutamuraso")
- Salvia koyamae ("Shinanoakigiri")
- Salvia lavandulifolia (Spanish sage)
- Salvia leucantha (Mexican bush sage)
- Salvia lutescens
- Salvia lutescens var. crenata ("Miyamatamuraso")
- Salvia lutescens var. crenata f. leucantha ("Shirobanamiyamatamuraso")
- Salvia lutescens var. intermedia ("Natsunotamuraso")
- Salvia lutescens var. intermedia f. albiflora ("Shirobananatsunotamuraso")
- Salvia lutescens var. lutescens ("Usuginatsunotamuraso")
- Salvia lutescens var. stolonifera ("Dandotamuraso")
- Salvia microphylla (baby sage)
- Salvia muelleri (royal purple autumn sage)
- Salvia nemorosa (woodland sage)
- Salvia nipponica
- Salvia nipponica var. kisoensis ("Kisokibanaakigiri")
- Salvia nipponica var. nipponica ("Kibanaakigiri")
- Salvia nipponica var. trisecta ("Mitsudekotojiso")
- Salvia officinalis (sage)
- Salvia officinalis ‘Tricolor’ (tricolor sage)
- Salvia omerocalyx
- Salvia omerocalyx var. omerocalyx ("Tajimatamuraso")
- Salvia omerocalyx var. prostrata ("Haitamuraso")
- Salvia plebeia ("Mizokoju")
- Salvia plebeia f. leucantha ("Shirobanamizokoju")
- Salvia pratensis (meadow clary)
- Salvia pygmaea
- Salvia pygmaea var. pygmaea ("Himetamuraso")
- Salvia pygmaea var. simplicior ("Amamitamuraso")
- Salvia ranzaniana ("Harunotamuraso")
- Salvia reflexa ("Inuhimekozuchi")
- Salvia reptans (west Texas grass sage)
- Salvia sclarea (clary sage)
- Salvia sinaloensis (Sinaloa sage)
- Salvia splendens (scarlet sage)
- Salvia subrotunda (giant Brazilian sage)
- Salvia uliginosa (bog sage)
- Salvia verbenaca ("Minatotamuraso")
- Salvia viridis (painted sage)
- Salvia × sakuensis
- Salvia ×superba
- Salvia ‘Indigo Spires’
- Salvinia molesta ("Osanshomo")
- Salvinia natans ("Sanshomo")
- Sambucus chinensis
- Sambucus chinensis var. chinensis ("Sokuzu")
- Sambucus chinensis var. formosana ("Taiwansokuzu")
- Sambucus nigra (European elder, "Seiyoniwatoko")
- Sambucus racemosa
- Sambucus racemosa subsp. kamtschatica ("Ezoniwatoko")
- Sambucus racemosa subsp. kamtschatica f. aureocarpa ("Kiminoezoniwatoko")
- Sambucus racemosa subsp. kamtschatica f. hiraii ("Hosobaezoniwakoro")
- Sambucus racemosa subsp. kamtschatica f. lacera ("Hagoromoniwatoko")
- Sambucus racemosa subsp. kamtschatica f. nakayamae
- Sambucus racemosa subsp. kamtschatica f. nuda ("Kenashiezoniwatoko")
- Sambucus racemosa subsp. kamtschatica f. platyphylla ("Hirohaezoniwatoko")
- Sambucus racemosa subsp. sieboldiana (Japanese red elder, "Niwatoko")
- Sambucus racemosa subsp. sieboldiana var. major ("Oniwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana ("Niwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana f. aurantiaca ("Daidaiminoniwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana f. dissecta ("Sakebaniwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana f. glaberrima ("Kenashiniwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana f. macrophylla ("Obaniwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana f. nakaiana ("Kiminoniwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana f. ovatifolia ("Marubaniwatoko")
- Sambucus racemosa subsp. sieboldiana var. sieboldiana f. stenophylla ("Keniwatoko")
- Samolus parviflorus ("Haihamabossu")
- Sandersonia aurantiaca (Christmas bells)
- Sanguinaria canadensis (bloodroot)
- Sanguisorba albiflora ("Shirobanatouchiso")
- Sanguisorba canadensis subsp. latifolia
- Sanguisorba canadensis subsp. latifolia var. latifolia ("Takanetouchiso")
- Sanguisorba canadensis subsp. latifolia var. pilosa ("Ketouchiso")
- Sanguisorba canadensis subsp. latifolia var. riishirensis ("Rishiritouchiso")
- Sanguisorba hakusanensis var. hakusanensis (Korean mountain burnet, "Karaitoso")
- Sanguisorba japonensis ("Ezotouchiso")
- Sanguisorba longifolia ("Miyamawaremoko")
- Sanguisorba minor (salad burnet, "Orandawaremoko")
- Sanguisorba obtusa ("Nanbutouchiso")
- Sanguisorba officinalis (great burnet, "Waremoko")
- Sanguisorba officinalis f. pilosella ("Uragewaremoko")
- Sanguisorba tenuifolia
- Sanguisorba tenuifolia var. grandiflora ("Chishimawaremoko")
- Sanguisorba tenuifolia var. parviflora ("Kobananowaremoko")
- Sanguisorba tenuifolia var. tenuifolia ("Nagabonowaremoko")
- Sanguisorba tenuifolia var. tenuifolia f. pilosa ("Kenagabonoshirowaremoko")
- Sanguisorba × kishinamii ("Yukikuratouchiso")
- Sanguisorba × poroshirensis
- Sanguisorba × pseudoofficinalis ("Waremokomodoki")
- Sanguisorba × takahashihideoi ("Happowaremoko")
- Sanicula chinensis ("Umanomitsuba")
- Sanicula chinensis f. paupera ("Saishuumanomitsuba")
- Sanicula kaiensis ("Yamanashiumanomitsuba")
- Sanicula lamelligera ("Himeumanomitsuba")
- Sanicula rubriflora ("Kurobanaumanomitsuba")
- Sanicula tuberculata ("Fukiyamitsuba")
- Sansevieria (genus)
- Sansevieria kirkii (star sansevieria)
- Sansevieria nilotica ("Chitoseran")
- Sansevieria stuckyi ("Tsutsuchitoseran")
- Santalum album (sandalwood, "Byakudan")
- Santalum boninense ("Muninbyakudan")
- Santolina (genus)
- Santolina rosmarinifolia (holy flax)
- Sanvitalia (genus, creeping zinnias)
- Sanvitalia procumbens ("Janomegiku")
- Sapindus mukorossi (Indian soapberry, "Mukuroji")
- Saponaria officinalis (common soapwort, "Sabonso")
- Sarcandra glabra (chloranthus, "Senryo")
- Sarcandra glabra f. flava ("Kiminosenryo")
- Sarcococca (genus, sweet box)
- Sarcococca confusa (sweet box)
- Sarcocornia pacifica ("Kabudachiakkeshiso")
- Sarracenia (genus, trumpet pitchers)
- Sasa akiuensis
- Sasa borealis
- Sasa borealis var. borealis ("Suzutake")
- Sasa borealis var. viridescens ("Hachijosuzutake")
- Sasa chartacea
- Sasa chartacea var. chartacea ("Sendaizasa")
- Sasa chartacea var. mollis
- Sasa chartacea var. nana ("Nikkozasa")
- Sasa chartacea var. simotsukensis ("Azumamiyakozasa")
- Sasa elegantissima ("Tangazasa")
- Sasa fugeshiensis
- Sasa gracillima ("Unzenzasa")
- Sasa hayatae
- Sasa hayatae var. hayatae ("Miyamakumazasa")
- Sasa hayatae var. hirtella ("Shikokuzasa")
- Sasa heterotricha
- Sasa heterotricha var. heterotricha ("Kutegawazasa")
- Sasa heterotricha var. nagatoensis ("Inukutegawazasa")
- Sasa hibaconuca ("Onukazasa")
- Sasa jotanii ("Mikurazasa")
- Sasa kagamiana
- Sasa kagamiana subsp. kagamiana
- Sasa kagamiana subsp. yoshinoi ("Arimakosuzu")
- Sasa kogasensis
- Sasa kogasensis var. kogasensis
- Sasa kogasensis var. nasuensis ("Nasunoyukawazasa")
- Sasa kurilensis
- Sasa kurilensis var. hirta ("Sayagechishimazasa")
- Sasa kurilensis var. kurilensis ("Chishimazasa")
- Sasa kurilensis var. uchidae ("Nagabanemagari")
- Sasa maculata
- Sasa maculata var. abei ("Kemakiyamazasa")
- Sasa maculata var. maculata ("Makiyamazasa")
- Sasa magnifica
- Sasa magnifica subsp. fujitae ("Setochikosuzu")
- Sasa magnifica subsp. magnifica ("Isshochizasa")
- Sasa megalophylla ("Obazasa")
- Sasa megalophylla f. aureovariegata ("Kintaiobazasa")
- Sasa miakeana
- Sasa minensis
- Sasa minensis var. awaensis ("Awanominezasa")
- Sasa minensis var. minensis
- Sasa nipponica ("Miyakozasa")
- Sasa occidentalis ("Saigokuzasa")
- Sasa oshidensis
- Sasa oshidensis subsp. glabra ("Kenashikashidazasa")
- Sasa oshidensis subsp. oshidensis
- Sasa palmata
- Sasa palmata var. niijimae ("Rubeshibezasa")
- Sasa palmata var. palmata ("Chimakizasa")
- Sasa palmata var. yosaensis ("Yosachimaki")
- Sasa pubens ("Kezasa")
- Sasa pubiculmis
- Sasa pubiculmis subsp. pubiculmis ("Omoezasa")
- Sasa pubiculmis subsp. sugimotoi ("Mikawazasa")
- Sasa pulcherrima ("Utsukushizasa")
- Sasa samaniana
- Sasa samaniana var. samaniana ("Apoizasa")
- Sasa samaniana var. yoshinoi ("Bitchumiyakozasa")
- Sasa scytophylla ("Inutokugawazasa")
- Sasa senanensis
- Sasa senanensis var. harae ("Minakamizasa")
- Sasa senanensis var. senanensis ("Kumaizasa")
- Sasa senanensis var. senanensis f. nobilis ("Kintaizasa")
- Sasa septentrionalis
- Sasa septentrionalis var. membranacea ("Usubazasa")
- Sasa septentrionalis var. septentrionalis ("Miyamazasa")
- Sasa shimidzuana
- Sasa shimidzuana subsp. kashidensis ("Kashidazasa")
- Sasa shimidzuana subsp. shimidzuana ("Hakonenanbusuzu")
- Sasa sikokiana ("Kesuzu")
- Sasa spiculosa ("Okuyamazasa")
- Sasa stenophylla
- Sasa stenophylla subsp. stenophylla ("Saiyozasa")
- Sasa stenophylla subsp. tobagenzoana ("Himekamizasa")
- Sasa subvillosa ("Asakanemagari")
- Sasa suzukii ("Kawauchizasa")
- Sasa takizawana
- Sasa takizawana subsp. nakashimana ("Kirishimazasa")
- Sasa takizawana subsp. takizawana
- Sasa tatewakiana
- Sasa tatewakiana var. muroiana ("Obanemagari")
- Sasa tatewakiana var. tatewakiana ("Ezomiyamazasa")
- Sasa togashiana ("Nanbusuzu")
- Sasa togashiana f. flavovariegata ("Kishimananbusuzu")
- Sasa tokugawana
- Sasa tsuboiana
- Sasa tsuboiana var. iyomontana ("Iyoibukizasa")
- Sasa tsuboiana var. tsuboiana ("Ibukizasa")
- Sasa tsukubensis
- Sasa tsukubensis subsp. pubifolia ("Inakosuzu")
- Sasa tsukubensis subsp. tsukubensis
- Sasa veitchii var. grandifolia
- Sasa veitchii var. tyugokensis ("Chugokuzasa")
- Sasa veitchii var. veitchii ("Kumazasa")
- Sasa yahikoensis
- Sasa yahikoensis var. depauperata ("Shikotanzasa")
- Sasa yahikoensis var. oseana ("Ozezasa")
- Sasa yahikoensis var. rotundissima ("Iwatezasa")
- Sasa yahikoensis var. yahikoensis
- Sasaella bitchuensis
- Sasaella bitchuensis var. bitchuensis ("Jobozasa")
- Sasaella bitchuensis var. tashirozentaroana ("Gujoshino")
- Sasaella caudiceps
- Sasaella caudiceps var. caudiceps ("Onigujoshino")
- Sasaella caudiceps var. psilovaginula ("Meonigujoshino")
- Sasaella hashimotoi ("Osakazasa")
- Sasaella hidaensis
- Sasaella hidaensis var. hidaensis ("Hishuzasa")
- Sasaella hidaensis var. muraii ("Miyagizasa")
- Sasaella hisauchii ("Himesuzutake")
- Sasaella ikegamii ("Kariwashino")
- Sasaella kogasensis
- Sasaella kogasensis var. kanayamensis ("Kesuekozasa")
- Sasaella kogasensis var. kogasensis
- Sasaella kogasensis var. yoshinoi ("Arimashino")
- Sasaella leucorhoda ("Tangoshinochiku")
- Sasaella masamuneana ("Kuriozasa")
- Sasaella midoensis
- Sasaella ramosa
- Sasaella ramosa var. latifolia ("Obaazumazasa")
- Sasaella ramosa var. latifolia f. trichophila ("Oniurajiroshino")
- Sasaella ramosa var. ramosa ("Azumazasa")
- Sasaella ramosa var. ramosa f. tomikusensis ("Tomikusazasa")
- Sasaella ramosa var. suwekoana ("Suekozasa")
- Sasaella sadoensis
- Sasaella sasakiana ("Togedake")
- Sasaella sawadae ("Hakoneshino")
- Sasaella shiobarensis
- Sasaella shiobarensis var. shiobarensis
- Sasaella shiobarensis var. shiobarensis f. mitinokuensis ("Juanshino")
- Sasaella shiobarensis var. yessaensis ("Essashino")
- Sasaella takinagawaensis
- Satakentia liukiuensis ("Yaeyamayashi")
- Saurauia tristyla var. oldhamii ("Takasagoshiratama")
- Saururus chinensis (Asian lizard's tail, "Hangesho")
- Saussurea acuminata
- Saussurea acuminata var. sachalinensis ("Karafutoazami")
- Saussurea amabilis ("Koshuhigotai")
- Saussurea amabilis f. pinnatiloba ("Kirebakoshuhigotai")
- Saussurea brachycephala ("Iwatehigotai")
- Saussurea chionophylla ("Yukibahigotai")
- Saussurea chionophylla f. albiflora ("Shirobanayukibahigotai")
- Saussurea fauriei
- Saussurea franchetii ("Miyamakitaazami")
- Saussurea fuboensis
- Saussurea gracilis ("Hokuchiazami")
- Saussurea hamanakaensis ("Konsentohiren")
- Saussurea hisauchii ("Tanzawahigotai")
- Saussurea hosoiana ("Mutsutohiren")
- Saussurea inaensis ("Inatohiren")
- Saussurea insularis ("Shimatohiren")
- Saussurea japonica ("Hinahigotai")
- Saussurea japonica f. leucocephala ("Shirobanahinahigotai")
- Saussurea kaimontana ("Takanehigotai")
- Saussurea kubotae ("Taishakutohiren")
- Saussurea kudoana
- Saussurea kudoana var. kudoana ("Hidakatohiren")
- Saussurea kudoana var. uryuensis ("Uryutohiren")
- Saussurea kudoana var. yuparensis ("Yubarikitaazami")
- Saussurea maximowiczii ("Miyakoazami")
- Saussurea maximowiczii f. serrata ("Marubamiyakoazami")
- Saussurea mikurasimensis
- Saussurea modesta ("Nekoyamahigotai")
- Saussurea muramatsui ("Togahigotai")
- Saussurea neichiana ("Hachinohetohiren")
- Saussurea nikoensis
- Saussurea nikoensis var. involucrata ("Nikkotohiren")
- Saussurea nikoensis var. nikoensis ("Shiraneazami")
- Saussurea nipponica
- Saussurea nipponica subsp. nipponica
- Saussurea nipponica subsp. nipponica var. hokurokuensis ("Hokurokutohiren")
- Saussurea nipponica subsp. nipponica var. nipponica ("Odaitohiren")
- Saussurea nipponica subsp. nipponica var. yoshinagae ("Tosatohiren")
- Saussurea nipponica subsp. savatieri
- Saussurea nipponica subsp. savatieri var. higomontana ("Tsukushitohiren")
- Saussurea nipponica subsp. savatieri var. robusta ("Otohiren")
- Saussurea nipponica subsp. savatieri var. savatieri ("Asamahigotai")
- Saussurea nipponica subsp. savatieri var. yakusimensis ("Yakushimahigotai")
- Saussurea pennata ("Miyamatohiren")
- Saussurea pulchella ("Himehigotai")
- Saussurea pulchella f. albiflora ("Shirobanahimehigotai")
- Saussurea riederi subsp. yezoensis
- Saussurea riederi subsp. yezoensis var. daisetsuenis ("Daisetsuhigotai")
- Saussurea riederi subsp. yezoensis var. elongata ("Ezotohiren")
- Saussurea riederi subsp. yezoensis var. insularis ("Rebuntohiren")
- Saussurea riederi subsp. yezoensis var. japonica ("Okukitaazami")
- Saussurea riederi subsp. yezoensis var. yezoensis ("Nagabakitaazami")
- Saussurea riederi subsp. yezoensis var. yezoensis f. albiflora ("Shirobanakitaazami")
- Saussurea sagitta
- Saussurea sagitta var. sagitta ("Yahazutohiren")
- Saussurea sagitta var. sagitta f. alba ("Shirobanayahazutohiren")
- Saussurea sagitta var. yoshizawae ("Chaboyahazutohiren")
- Saussurea scaposa ("Kirishimahigotai")
- Saussurea sessiliflora ("Kurotohiren")
- Saussurea sinuatoides
- Saussurea sinuatoides var. bosopeninsularis ("Nokogirihigotai")
- Saussurea sinuatoides var. glabrescens ("Kintokihigotai")
- Saussurea sinuatoides var. siuatoides ("Takaohigotai")
- Saussurea sinuatoides × Saussurea triptera ("Mitsutogehigotai")
- Saussurea sugimurae ("Nanbutohiren")
- Saussurea tanakae ("Seitakatohiren")
- Saussurea tanakae f. albiflora ("Shirobanaseitakatohiren")
- Saussurea triptera
- Saussurea triptera var. kaialpina ("Shiranehigotai")
- Saussurea triptera var. triptera ("Yahazuhigotai")
- Saussurea ussuriensis
- Saussurea ussuriensis var. nivea ("Usuyukikikuazami")
- Saussurea ussuriensis var. ussuriensis ("Kikuazami")
- Saussurea wakasugiana
- Saussurea yanagisawae
- Saussurea yanagisawae var. nivea ("Yukibatohiren")
- Saussurea yanagisawae var. yanagisawae ("Usuyukitohiren")
- Saussurea × iwateyamensis
- Saussurea × karuizawensis
- Saussurea × mirabilis ("Obakehigotai")
- Saussurea × rara ("Kaitohiren")
- Saussurea × satowii ("Ongatahigotai")
- Saussurea × subgracilis ("Hokuchikikuazami")
- Saussurea × tobitae ("Shinanotohiren")
- Saxifraga acerifolia ("Echizendaimonjiso")
- Saxifraga bracteata ("Kiyoshiso")
- Saxifraga bronchialis subsp. funstonii
- Saxifraga bronchialis subsp. funstonii var. rebunshirensis ("Shikotanso")
- Saxifraga bronchialis subsp. funstonii var. rebunshirensis f. laxa ("Haishikotanso")
- Saxifraga bronchialis subsp. funstonii var. rebunshirensis f. togakushiensis ("Himekumomagusa")
- Saxifraga bronchialis subsp. funstonii var. yuparensis ("Yubarikumomagusa")
- Saxifraga cernua ("Mukagoyukinoshita")
- Saxifraga cortusifolia
- Saxifraga cortusifolia var. cortusifolia ("Jinjiso")
- Saxifraga cortusifolia var. cortusifolia f. atropurpurea ("Murasakijinjiso")
- Saxifraga cortusifolia var. cortusifolia f. breviloba ("Marubajinjiso")
- Saxifraga cortusifolia var. cortusifolia f. incisa ("Fugirejinjiso")
- Saxifraga cortusifolia var. cortusifolia f. variegata ("Fuirijinjiso")
- Saxifraga cortusifolia var. stolonifera ("Tsurujinjiso")
- Saxifraga fortunei
- Saxifraga fortunei var. alpina ("Daimonjiso")
- Saxifraga fortunei var. alpina f. rubrifolia ("Urabenidaimonjiso")
- Saxifraga fortunei var. jotanii ("Izunoshimadaimonjiso")
- Saxifraga fortunei var. obtusocuneata ("Uchiwadaimonjiso")
- Saxifraga fortunei var. obtusocuneata f. minima ("Yakushimadaimonjiso")
- Saxifraga fortunei var. suwoensis ("Nameradaimonjiso")
- Saxifraga fusca subsp. fusca ("Kurokumoso")
- Saxifraga fusca subsp. fusca var. fusca ("Ezokurokumoso")
- Saxifraga fusca subsp. fusca var. kurilensis ("Chishimakurokumoso")
- Saxifraga fusca subsp. kikubuki
- Saxifraga fusca subsp. kikubuki var. kikubiki ("Kurokumoso")
- Saxifraga fusca subsp. kikubuki var. kiusiana ("Nangokukurokumoso")
- Saxifraga japonica ("Fukiyukinoshita")
- Saxifraga laciniata ("Kumomayukinoshita")
- Saxifraga laciniata f. takedana ("Tsurukumomagusa")
- Saxifraga merkii
- Saxifraga merkii var. idsuroei ("Kumomagusa")
- Saxifraga merkii var. merkii ("Chishimakumomagusa")
- Saxifraga nelsoniana
- Saxifraga nelsoniana var. reniformis ("Chishimaiwabuki")
- Saxifraga nelsoniana var. tateyamensis ("Tateyamaiwabuki")
- Saxifraga nipponica ("Haruyukinoshita")
- Saxifraga nipponica f. rosea ("Benibanaharuyukinoshita")
- Saxifraga nishidae ("Ezonokumomagusa")
- Saxifraga sachalinensis ("Yamahanaso")
- Saxifraga sendaica
- Saxifraga sendaica f. laciniata ("Momijibasendaiso")
- Saxifraga stolonifera (creeping saxifrage, "Yukinoshita")
- Saxifraga stolonifera f. aptera ("Hoshizakiyukinoshita")
- Saxifraga tridactylites (rue-leaved saxifrage, "Robokumomagusa")
- Scabiosa (genus, pincushion flowers)
- Scabiosa atropurpurea (mourningbride, "Seiyomatsumushiso")
- Scabiosa columbaria ("Seiyoitobamatsumushiso")
- Scabiosa japonica
- Scabiosa japonica var. alpina ("Takanematsumushiso")
- Scabiosa japonica var. alpina f. alba ("Shirobanatakanematsumushiso")
- Scabiosa japonica var. breviligula ("Mikawamatsumushiso")
- Scabiosa japonica var. japonica ("Matsumushiso")
- Scabiosa japonica var. japonica f. albiflora ("Shirobanamatsumushiso")
- Scabiosa japonica var. lasiophylla ("Sonarematsumushiso")
- Scabiosa josoensis ("Ezomatsumushiso")
- Scabiosa stellata (starflower pincushions)
- Scaevola aemula (fairy fan-flower)
- Scaevola taccada ("Kusatobera")
- Scaevola taccada f. moomomiana ("Kekusatobera")
- Scaevola taccada f. taccada ("Terihakusatobera")
- Scandix pecten-veneris ("Nagaminoserimodoki")
- Schedonorus arundinaceus (tall fescue, "Oniushinokegusa")
- Schedonorus giganteus ("Oshutoboshigara")
- Schedonorus pratensis (meadow fescue, "Hirohanoshinokegusa")
- Schedonorus × aschersonoanus ("Aihirohanoshinokegusa")
- Schefflera actinophylla (Australian ivy palm)
- Schefflera arboricola (dwarf umbrella tree, "Yadorifukanoki")
- Schefflera arboricola ‘Hong Kong’ ("Honkonkapokku")
- Schefflera elegantissima (false aralia)
- Schefflera heptaphylla ("Fukanoki")
- Schefflera leucantha
- Schefflera pueckleri (Mallet flower, "Tsupidansasu")
- Schenkia japonica ("Shimasenburi")
- Scheuchzeria palustris ("Horomuiso")
- Schima wallichii
- Schima wallichii subsp. mertensiana ("Himetsubaki")
- Schima wallichii subsp. noronhae ("Iju")
- Schinus terebinthifolia ("Sanshomodoki")
- Schisandra chinensis (magnolia vine, "Chosengomishi")
- Schisandra repanda ("Matsubusa")
- Schisandra repanda f. discolor ("Urajiromatsubusa")
- Schizachne purpurascens
- Schizachne purpurascens subsp. callosa
- Schizachyrium brevifolium ("Ushikusa")
- Schizaea dichotoma ("Kanzashiwarabi")
- Schizaea digitata ("Fusashida")
- Schizocodon ilicifolius
- Schizocodon ilicifolius var. australis ("Akabanahimeiwakagami")
- Schizocodon ilicifolius var. australis f. akaishialpinus ("Takanehimeiwakagami")
- Schizocodon ilicifolius var. ilicifolius ("Himeiwakagami")
- Schizocodon ilicifolius var. intercedens ("Yamaiwakagami")
- Schizocodon ilicifolius var. minimus ("Himekoiwakagami")
- Schizocodon ilicifolius var. nankaiensis ("Nankaihimeiwakagami")
- Schizocodon soldanelloides
- Schizocodon soldanelloides var. longifolius ("Nagabaiwakagami")
- Schizocodon soldanelloides var. longifolius f. albiflorus ("Shirobananagabaiwakagami")
- Schizocodon soldanelloides var. magnus ("Oiwakagami")
- Schizocodon soldanelloides var. magnus f. niveus ("Shirobanaoiwakagami")
- Schizocodon soldanelloides var. soldanelloides ("Iwakagami")
- Schizocodon soldanelloides var. soldanelloides f. alpinus ("Koiwakagami")
- Schizocodon soldanelloides var. soldanelloides f. leucanthus ("Shirobanaiwakagami")
- Schizopepon bryoniifolius ("Miyamanigauri")
- Schizophragma hydrangeoides
- Schizophragma hydrangeoides var. concolor ("Terihaiwagarami")
- Schizophragma hydrangeoides var. hydrangeoides ("Iwagarami")
- Schizophragma hydrangeoides var. hydrangeoides f. formosum ("Hanaiwagarami")
- Schizophragma hydrangeoides var. hydrangeoides f. molle ("Keiwagarami")
- Schkuhria pinnata var. abrotanoides ("Itobagiku")
- Schlumbergera (genus, Christmas cactus, "Shakobasaboten")
- Schoenia cassiniana (pink clusters everlasting)
- Schoenia filifolia subsp. subulifolia (showy everlasting)
- Schoenoplectus gemmifer ("Hatabekangarei")
- Schoenoplectus hondoensis ("Miyamahotarui")
- Schoenoplectus hotarui
- Schoenoplectus juncoides ("Inuhotarui")
- Schoenoplectus komarovii ("Kohotarui")
- Schoenoplectus lacustris ("Ofutoi")
- Schoenoplectus lineolatus ("Himehotarui")
- Schoenoplectus littoralis subsp. subulatus ("Inufutoi")
- Schoenoplectus mucronatus
- Schoenoplectus mucronatus var. antrorsispinulosus ("Inuhimekangarei")
- Schoenoplectus mucronatus var. ishizawae ("Rokkakui")
- Schoenoplectus mucronatus var. mucronatus ("Himekangarei")
- Schoenoplectus mucronatus var. tataranus ("Tatarakangarei")
- Schoenoplectus mucronatus var. tataranus f. brevisetaceus ("Chobihigetatarakangarei")
- Schoenoplectus multisetus ("Tsukushikangarei")
- Schoenoplectus nipponicus ("Shizui")
- Schoenoplectus orthorhizomatus ("Michinokuhotarui")
- Schoenoplectus tabernaemontani (clubrush, "Futoi")
- Schoenoplectus triangulatus ("Kangarei")
- Schoenoplectus triqueter ("Sankakui")
- Schoenoplectus wallichii ("Taiwan'yamai")
- Schoenoplectus × igaensis ("Igahotarui")
- Schoenoplectus × juncohotarui ("Hotaruimodoki")
- Schoenoplectus × oguraensis
- Schoenoplectus × osoreyamensis
- Schoenoplectus × trapezoideus ("Shikakuhotarui")
- Schoenoplectus × uzenensis ("Ainokokangarei")
- Schoenoplectus ×kuekenthalianus ("Kosankakui")
- Schoenus apogon ("Nogusa")
- Schoenus brevifolius ("Joi")
- Schoenus calostachyus ("Iheyahigekusa")
- Schoenus falcatus ("Ohigekusa")
- Schoepfia jasminodora ("Boroboronoki")
- Sciadopitys verticillata (parasol pine, "Koyamaki")
- Sciaphila multiflora ("Ishigakiso")
- Sciaphila nana ("Hongoso")
- Sciaphila ramosa ("Suzufurihongoso")
- Sciaphila secundiflora ("Uematsuso")
- Sciaphila tenella ("Takakumaso")
- Scilla peruviana (Portuguese squill)
- Scilla siberica (Siberian squill, "Shiberiatsurubo")
- Scirpus asiaticus ("Ezoaburagaya")
- Scirpus asiaticus × Scirpus wichurae ("Shideaburagaya")
- Scirpus fuirenoides ("Komatsukasasusuki")
- Scirpus georgianus ("Sefuriaburagaya")
- Scirpus hattorianus ("Iwakiaburagaya")
- Scirpus karuisawensis ("Himematsukasasusuki")
- Scirpus maximowiczii ("Takanekurosuge")
- Scirpus microcarpus ("Himekuroaburagaya")
- Scirpus mitsukurianus ("Matsukasasusuki")
- Scirpus mitsukurianus × Scirpus wichurae ("Matsukasaaburagaya")
- Scirpus radicans ("Tsuruaburagaya")
- Scirpus rosthornii var. kiushuensis ("Tsukushiaburagaya")
- Scirpus sylvaticus var. maximowiczii ("Kuroaburagaya")
- Scirpus ternatanus ("Oaburagaya")
- Scirpus wichurae ("Aburagaya")
- Scirpus wichurae var. lushanensis ("Chugokuaburagaya")
- Scirpus wichurae var. wichurae
- Scirpus wichurae var. wichurae f. concolor ("Aburagaya")
- Scirpus wichurae var. wichurae f. wichurae ("Aibaso")
- Scirpus × fujimakii ("Komatsukasaaburagaya")
- Scleranthus annuus ("Shibatsumekusa")
- Scleria biflora ("Hosobashinjugaya")
- Scleria levis ("Shinjugaya")
- Scleria mikawana
- Scleria parvula ("Koshinjugaya")
- Scleria rugosa
- Scleria rugosa var. onoei ("Manekishinjugaya")
- Scleria rugosa var. rugosa ("Keshinjugaya")
- Scleria sumatrensis ("Kurominoshinjugaya")
- Scleria terrestris ("Oshinjugaya")
- Scolopia oldhamii ("Togeinutsuge")
- Scoparia (genus)
- Scoparia dulcis (licorice weed, "Seitakakanabikiso")
- Scopolia japonica ("Hashiridokoro")
- Scopolia japonica f. lutescens ("Kibanahashiridokoro")
- Scorpiurus muricatus ("Shakutorimushimame")
- Scorzonera hispanica ("Kibanabaramonjin")
- Scorzonera rebunensis ("Futanamiso")
- Scrophularia alata ("Ezohinanosutsubo")
- Scrophularia buergeriana ("Gomanohagusa")
- Scrophularia duplicatoserrata ("Hinanosutsubo")
- Scrophularia grayanoides ("Hamahinanosutsubo")
- Scrophularia kakudensis
- Scrophularia kakudensis var. kakudensis ("Ohinanosutsubo")
- Scrophularia kakudensis var. toyamae ("Tsushimahinanosutsubo")
- Scrophularia musashiensis
- Scrophularia musashiensis var. ina-vallicola ("Inasatsukihinanosutsubo")
- Scrophularia musashiensis var. musashiensis ("Satsukihinanosutsubo")
- Scutellaria amabilis ("Yamajinotatsunamiso")
- Scutellaria baicalensis (Baikal skullcap, "Koganebana")
- Scutellaria barbata ("Seitakanamikiso")
- Scutellaria brachyspica ("Okatatsunamiso")
- Scutellaria brachyspica f. albiflora ("Shirobanaokatatsunamiso")
- Scutellaria costaricana (scarlet skullcap)
- Scutellaria dependens ("Himenamiki")
- Scutellaria guilielmii ("Konamiki")
- Scutellaria indica
- Scutellaria indica var. indica ("Tatsunamiso")
- Scutellaria indica var. indica f. amagiensis ("Shirobanatatsunamiso")
- Scutellaria indica var. parvifolia ("Kobanotatsunami")
- Scutellaria indica var. parvifolia f. alba ("Shirobanakobanotatsunami")
- Scutellaria indica var. parvifolia f. lilacina ("Usubenikobanotatsunami")
- Scutellaria indica var. satokoae ("Hokurikutatsunamiso")
- Scutellaria iyoensis ("Hanatatsunamiso")
- Scutellaria iyoensis f. albiflora ("Shirobanahanatatsunamiso")
- Scutellaria javanica
- Scutellaria kikai-insularis
- Scutellaria kiusiana ("Tsukushitatsunamiso")
- Scutellaria kiusiana f. albiflora ("Shirobanatsukushitatsunami")
- Scutellaria kuromidakensis ("Yakushimashisobatatsunami")
- Scutellaria laeteviolacea
- Scutellaria laeteviolacea var. abbreviata ("Togokushisobatatsunami")
- Scutellaria laeteviolacea var. abbreviata f. concolor ("Aoshisobatatsunami")
- Scutellaria laeteviolacea var. kurokawae ("Igatatsunami")
- Scutellaria laeteviolacea var. laeteviolacea ("Shisobatatsunami")
- Scutellaria laeteviolacea var. laeteviolacea f. albiflora ("Shirobanashisobatatsunami")
- Scutellaria laeteviolacea var. maekawae ("Honagatatsunamiso")
- Scutellaria longituba ("Munintatsunamiso")
- Scutellaria muramatsui ("Dewanotatsunamiso")
- Scutellaria pekinensis
- Scutellaria pekinensis var. transitra ("Yamatatsunamiso")
- Scutellaria pekinensis var. ussuriensis ("Ezotatsunamiso")
- Scutellaria rubropunctata
- Scutellaria rubropunctata var. naseana ("Amamitatsunamiso")
- Scutellaria rubropunctata var. rubropunctata ("Akaboshitatsunamiso")
- Scutellaria rubropunctata var. yakusimensis ("Himeakaboshitatsunami")
- Scutellaria shikokiana
- Scutellaria shikokiana var. pubicaulis ("Kemiyamanamiki")
- Scutellaria shikokiana var. shikokiana ("Miyamanamiki")
- Scutellaria strigillosa ("Namikiso")
- Scutellaria strigillosa f. albiflora ("Shirobananamikiso")
- Scutellaria strigillosa f. hirta ("Kenamikiso")
- Scutellaria tsusimensis ("Atsubatatsunamiso")
- Scutellaria yezoensis ("Ezonamiki")
- Secale cereale (Rye, "Raimugi")
- Sechium edule (chayote, "Hayatori")
- Securigera varia (crownvetch, "Tamazakikusafuji")
- Sedirea japonica ("Nagoran")
- Sedum (genus, "Sedamu")
- Sedum (genus, "Morimuramannengusa")
- Sedum acre (goldmoss stonecrop, "Oshumannengusa")
- Sedum bulbiferum ("Komochimannengusa")
- Sedum dasyphyllum ("Himehoshibijin")
- Sedum drymarioides ("Nanatsugamamannengusa")
- Sedum formosanum ("Hamamannengusa")
- Sedum hakonense ("Matsunohamannengusa")
- Sedum hispanicum (Spanish stonecrop, "Usuyukimannengusa")
- Sedum japonicum
- Sedum japonicum subsp. boninense ("Munintaitogome")
- Sedum japonicum subsp. japonicum
- Sedum japonicum subsp. japonicum var. japonicum ("Menomannengusa")
- Sedum japonicum subsp. japonicum var. senanense ("Miyamamannengusa")
- Sedum japonicum subsp. japonicum var. senanense f. leucanthemum ("Shirobanamiyamamannengusa")
- Sedum japonicum subsp. oryzifolium
- Sedum japonicum subsp. oryzifolium var. oryzifolium ("Taitogome")
- Sedum japonicum subsp. oryzifolium var. pumilum ("Okataitogome")
- Sedum japonicum subsp. uniflorum ("Kogomemannengusa")
- Sedum lineare ("Onomannengusa")
- Sedum makinoi
- Sedum makinoi var. makinoi ("Marubamannengusa")
- Sedum makinoi var. minor ("Himemarubamannengusa")
- Sedum mexicanum (Mexican stonecrop, "Mekishikomannengusa")
- Sedum nagasakianum
- Sedum pallidum var. bithynicum ("Shinjuboshimannengusa")
- Sedum palmeri
- Sedum polytrichoides
- Sedum polytrichoides subsp. polytrichoides ("Unzenmannengusa")
- Sedum polytrichoides subsp. yabeanum
- Sedum polytrichoides subsp. yabeanum var. setouchiense ("Setochimannengusa")
- Sedum polytrichoides subsp. yabeanum var. yabeanum ("Tsushimamannengusa")
- Sedum rosulatobulbosum ("Koraikomochimannengusa")
- Sedum rupifragum ("Omenomannengusa")
- Sedum sarmentosum ("Tsurumannengusa")
- Sedum satumense ("Satsumamannengusa")
- Sedum subtile ("Himerenge")
- Sedum tosaense ("Yahazumannengusa")
- Sedum tricarpum ("Takanemannengusa")
- Sedum tricarpum f. viride ("Aotakanemannengusa")
- Sedum zentaro-tashiroi ("Himemannengusa")
- Selaginella boninensis ("Hibagoke")
- Selaginella davidii ("Tokuramagoke")
- Selaginella doederleinii
- Selaginella doederleinii var. doederleinii ("Onikuramagoke")
- Selaginella doederleinii var. opaca ("Kozushimakuramagoke")
- Selaginella flagellifera ("Tsurukatahiba")
- Selaginella helvetica ("Ezonohimekuramagoke")
- Selaginella heterostachys ("Himekuramagoke")
- Selaginella involvens ("Katahiba")
- Selaginella leptophylla ("Kokekatahiba")
- Selaginella limbata ("Amamikuramagoke")
- Selaginella lutchuensis ("Himemukadekuramagoke")
- Selaginella moellendorffii ("Inukatahiba")
- Selaginella nipponica ("Tachikuramagoke")
- Selaginella remotifolia ("Kuramagoke")
- Selaginella selaginoides ("Kokesugiran")
- Selaginella shakotanensis ("Himokazura")
- Selaginella sibirica ("Ezonohimokazura")
- Selaginella tamamontana ("Yamakuramagoke")
- Selaginella tamariscina ("Iwahiba")
- Selaginella uncinata (blue spikemoss, "Konterikuramagoke")
- Selliguea engleri ("Takanohauraboshi")
- Selliguea engleri × Selliguea hastata ("Kinokuniuraboshi")
- Selliguea engleri × Selliguea yakushimensis ("Yakushimatakanohauraboshi")
- Selliguea hastata
- Selliguea hastata var. hastata ("Mitsudeuraboshi")
- Selliguea hastata var. longisquamata ("Ryukyumitsudeuraboshi")
- Selliguea veitchii ("Miyamauraboshi")
- Selliguea yakuinsularis
- Selliguea yakushimensis ("Himetakanohauraboshi")
- Semiaquilegia adoxoides ("Himeuzu")
- Semiarundinaria fastuosa
- Semiarundinaria fastuosa var. fastuosa (narihira-dake)
- Semiarundinaria fastuosa var. viridis ("Aonarihira")
- Semiarundinaria fortis ("Kumanarihira")
- Semiarundinaria kagamiana ("Rikuchudake")
- Semiarundinaria okuboi ("Bizennarihira")
- Semiarundinaria yashadake
- Sempervivum (genus, houseleeks)
- Senecio argunensis ("Koringiku")
- Senecio bicolor subsp. cineraria (dusty miller, "Shirotaegiku")
- Senecio blochmaniae ("Matsubasawagiku")
- Senecio cannabifolius ("Hangonso")
- Senecio cannabifolius f. integrifolius ("Hitotsubahangonso")
- Senecio inaequidens ("Shinkosawagiku")
- Senecio jacobaea ("Yakobuborogiku")
- Senecio madagascariensis (Madagascar ragwort, "Narutosawagiku")
- Senecio nemorensis ("Kion")
- Senecio polyodon (pink ragwort)
- Senecio pseudoarnica ("Ezoguruma")
- Senecio rowleyanus (string-of-pearls)
- Senecio scandens ("Taikingiku")
- Senecio sylvaticus ("Arechiborogiku")
- Senecio vernalis ("Hananoborogiku")
- Senecio viscosus ("Nebarinoborogiku")
- Senecio vulgaris (common groundsel, "Noborogiku")
- Senna alata (emperor's candlesticks, "Hanesenna")
- Senna corymbosa (Argentine senna, "Hanasenna")
- Senna hebecarpa ("Amerikasenna")
- Senna hirsuta (Woolly Senna)
- Senna obtusifolia (Chinese senna, "Ebisugusa")
- Senna occidentalis (septicweed, "Habuso")
- Senna pendula ("Kobanosenna")
- Senna sophera ("Obanosenna")
- Senna tora ("Hosomiebisugusa")
- Serissa japonica ("Hakuchoge")
- Serratula coronata subsp. insularis ("Tamuraso")
- Serratula coronata subsp. insularis f. albiflora ("Shirobanatamuraso")
- Serruria (genus, spiderhead)
- Sesamum orientale (sesame, "Goma")
- Sesbania bispinosa ("Togenashitsunokusanemu")
- Sesbania brachycarpa ("Murasakiamerikatsunokusanemu")
- Sesbania cannnabina (corkwood tree, "Kibanatsunokusanemu")
- Sesbania exaltata (bigpod sesbania, "Amerikatsunokusanemu")
- Sesbania sesban ("Kidachidensei")
- Seseli gummiferum (moon carrot)
- Sesuvium portulacastrum
- Sesuvium portulacastrum var. griseum ("Shiromirusuberihiyu")
- Sesuvium portulacastrum var. griseum f. isaoi ("Usubenisuberihiyu")
- Sesuvium portulacastrum var. portulacastrum ("Mirusuberihiyu")
- Sesuvium portulacastrum var. portulacastrum f. albiflorum ("Oshiromirusuberihiyu")
- Sesuvium portulacastrum var. portulacastrum f. majus ("Omirusuberihiyu")
- Setaria barbata ("Himesasakibi")
- Setaria chondrachne ("Inuawa")
- Setaria faberi ("Akinoenokorogusa")
- Setaria italica (foxtail millet, "Awa")
- Setaria nigriostris ("Kurobokin'enokoro")
- Setaria pallidefusca ("Kotsubukin'enokoro")
- Setaria palmifolia ("Sasakibi")
- Setaria parviflora ("Fushinekin'enokoro")
- Setaria plicata ("Kosasakibi")
- Setaria pumila (yellow foxtail, "Kin'enokoro")
- Setaria sphacelata ("Afurikakin'enokoro")
- Setaria verticillata ("Zaratsukienokorogusa")
- Setaria viridis (green bristlegrass, "Enokorogusa")
- Setaria viridis var. angustifolia ("Hosobanoenokorogusa")
- Setaria viridis var. minor (green bristlegrass, "Enokorogusa")
- Setaria viridis var. minor f. japonica ("Katabaenokorogusa")
- Setaria viridis var. minor f. misera ("Murasakienokoro")
- Setaria viridis var. pachystachys ("Hamaenokoro")
- Setaria viridis var. pachystachys f. rufescens ("Murasakihamaenokoro")
- Setaria viridis var. viridis ("Onienokorogusa")
- Setaria × decipiens ("Inuenokoro")
- Setaria × reclinata ("Ainokoenokoro")
- Setaria ×pycnocoma ("Oenokoro")
- Sherardia arvensis (field madder, "Hanayaemugura")
- Shibataea kumasaca ("Okamezasa")
- Shorea robusta (sal, "Sarasoju")
- Shortia notundifolia ("Shimaiwauchiwa")
- Shortia notundifolia f. amamiana ("Amamiiwauchiwa")
- Shortia uniflora ("Iwauchiwa")
- Shortia uniflora var. kantoensis ("Koiwauchiwa")
- Shortia uniflora var. kantoensis f. albiflora ("Shirobanaiwauchiwa")
- Shortia uniflora var. kantoensis f. plena ("Yaeiwauchiwa")
- Shortia uniflora var. orbicularis ("Tokuwakaso")
- Shortia uniflora var. uniflora ("Oiwauchiwa")
- Shortia uniflora var. uniflora f. albens ("Shirobanaoiwauchiwa")
- Sibbaldia procumbens ("Tateyamakinbai")
- Sibbaldiopsis miyabei ("Meakankinbai")
- Sicyos angulatus ("Arechiuri")
- Sicyos angulatus f. ohtanus ("Togenashiarechiuri")
- Sida acuta ("Hosobakingojika")
- Sida cordifolia ("Marubakingojika")
- Sida rhombifolia
- Sida rhombifolia subsp. insularis ("Haikingojika")
- Sida rhombifolia subsp. refusa ("Yahazukingojika")
- Sida rhombifolia subsp. rhombifolia (arrowleaf sida, "Kingojika")
- Sida spinosa (prickly fanpetals, "Amerikakingojika")
- Sida subspicata ("Hozakikingojika")
- Sidalcea (genus, checkerblooms)
- Sieversia pentapetala ("Chinguruma")
- Sieversia pentapetala f. plena ("Yaechinguruma")
- Sieversia pentapetala f. rosacea ("Tateyamachinguruma")
- Sigesbeckia glabrescens ("Komenamomi")
- Sigesbeckia orientalis ("Tsukushimenamomi")
- Sigesbeckia pubescens ("Menamomi")
- Silene (genus)
- Silene akaisialpina ("Takanebiranji")
- Silene akaisialpina f. leucantha ("Shirobanatakanebiranji")
- Silene antirrhina ("Mushitorimantema")
- Silene aomorensis
- Silene aprica
- Silene aprica var. oldhamiana ("Hamafushiguro")
- Silene aprica var. ryukyuensis ("Ryukyufushiguro")
- Silene armeria (Sweet William catchfly, "Mushitorinadeshiko")
- Silene baccifera var. japonica ("Nanbanhakobe")
- Silene bungeana ("Senno")
- Silene caroliniana (wild pink)
- Silene coeli-rosa (rose of heaven, "Komugisenno")
- Silene conica ("Himeshiratamaso")
- Silene conoidea ("Oshiratamaso")
- Silene coronaria (rose campion, "Suisenno")
- Silene dichotoma ("Mantemamodoki")
- Silene dioica (red campion)
- Silene firma ("Fushiguro")
- Silene firma f. pubescens ("Kefushiguro")
- Silene flos-cuculi (ragged robin, "Kakkosenno")
- Silene foliosa ("Ezomantema")
- Silene fulgens ("Ezosenno")
- Silene gallica (common catchfly, "Mantema")
- Silene gallica var. gallica (common catchfly, "Shirobanamantema")
- Silene gallica var. giraldii
- Silene gallica var. quinquevulnera ("Mantema")
- Silene gracillima ("Senjuganpi")
- Silene harae ("Ezoyamamantema")
- Silene hidaka-alpina ("Kamuibiranji")
- Silene keiskei
- Silene keiskei var. keiskei ("Obiranji")
- Silene keiskei var. minor
- Silene keiskei var. minor f. albescens ("Shirobanabiranji")
- Silene keiskei var. minor f. minor ("Biranji")
- Silene keiskei var. minor f. procumbens ("Tsurubiranji")
- Silene kiusiana ("Ogurasenno")
- Silene latifolia subsp. alba (white campion, "Matsuyoisenno")
- Silene miqueliana ("Fushigurosenno")
- Silene miqueliana f. argyrata ("Shiroganesenno")
- Silene miqueliana f. plena ("Zakuroganpi")
- Silene noctiflora ("Tsukimisenno")
- Silene nocturna ("Tsukimimantena")
- Silene pendula (nodding catchfly, "Sakuramantema")
- Silene repens
- Silene repens var. apoiensis ("Apoimantema")
- Silene repens var. repens ("Karafutomantema")
- Silene sieboldii ("Matsumotosenno")
- Silene tokachiensis
- Silene uniflora (sea campion)
- Silene uralensis ("Takanemantema")
- Silene vulgaris (bladder campion, "Shiratamaso")
- Silene wilfordii ("Enbisenno")
- Silene yanoi ("Tebakomantema")
- Silphium perfoliatum ("Tsukinukioguruma")
- Silybum marianum ("Oazami")
- Sinapis alba ("Shirogarashi")
- Sinapis arvensis
- Sinapis arvensis var. arvensis ("Noharagarashi")
- Sinapis arvensis var. orientalis ("Kenoharagarashi")
- Sinningia (genus, "Gurokishinia")
- Sinoadina racemosa ("Hetsukanigaki")
- Sinobambusa tootsik ("Tochiku")
- Sinomenium acutum
- Sinomenium acutum var. acutum ("Tsuzurafuji")
- Sinomenium acutum var. acutum f. nudiflorum ("Himetsuzurafuji")
- Sinomenium acutum var. cinereum ("Keotsuzurafuji")
- Siphonostegia chinensis ("Hikiyomogi")
- Siphonostegia laeta ("Ohikiyomogi")
- Sisymbrium altissimum (tall tumblemustard, "Hatazaogarashi")
- Sisymbrium irio ("Hosoegarashi")
- Sisymbrium loeselii ("Hokobagarashi")
- Sisymbrium luteum ("Kibanahatazao")
- Sisymbrium officinale (hedge mustard, "Kakinegarashi")
- Sisymbrium officinale var. leiocarpum ("Hamakakinegarashi")
- Sisymbrium officinale var. officinale ("Kekakinegarashi")
- Sisymbrium orientale (Indian hedgemustard, "Inukakinegarashi")
- Sisyrinchium angustifolium (narrow-leaf blue-eyed-grass, "Ruriniwazekisho")
- Sisyrinchium exile ("Kibananiwazekisho")
- Sisyrinchium micranthum (blue pigroot, "Oniwazekisho")
- Sisyrinchium mucronatum ("Hitofusaniwazekisho")
- Sisyrinchium rosulatum ("Niwazekisho")
- Sisyrinchium striatum (pale yellow-eyed-grass)
- Sium ninsi ("Mukagoninjin")
- Sium serra ("Tanimitsuba")
- Sium suave ("Numazeri")
- Sium suave var. nipponicum ("Numazeri")
- Sium suave var. ovatum ("Hirohanumazeri")
- Sium suave var. suave ("Tonumazeri")
- Skimmia japonica
- Skimmia japonica var. intermedia ("Tsurushikimi")
- Skimmia japonica var. intermedia f. intermedia ("Uchidashitsurushikimi")
- Skimmia japonica var. intermedia f. leucocarpa ("Shirominotsurushikimi")
- Skimmia japonica var. intermedia f. longifolia ("Nagabatsurushikimi")
- Skimmia japonica var. intermedia f. obovoidea ("Nagaminotsurushikimi")
- Skimmia japonica var. intermedia f. repens ("Tsurushikimi")
- Skimmia japonica var. intermedia f. serrata ("Nokobatsurushikimi")
- Skimmia japonica var. japonica (Japanese skimmia, "Miyamashikimi")
- Skimmia japonica var. japonica f. rosea ("Akebonomiyamashikimi")
- Skimmia japonica var. japonica f. yatabei ("Uchidashimiyamashikimi")
- Skimmia japonica var. lutchuensis ("Ryukyumiyamashikimi")
- Smallanthus sonchifolius (Peruvian ground apple)
- Smilax biflora
- Smilax biflora var. biflora ("Himekakara")
- Smilax biflora var. trinervula ("Sarumame")
- Smilax bracteata
- Smilax bracteata var. bracteata ("Satsumasankirai")
- Smilax bracteata var. verruculosa ("Aragatasankirai")
- Smilax china
- Smilax china var. china ("Sarutoriibara")
- Smilax china var. china f. xanthocarpa ("Kiminosarutoriibara")
- Smilax china var. yanagitae ("Tokiwasarutoriibara")
- Smilax nervomarginata ("Sasabasankirai")
- Smilax nipponica ("Tachishiode")
- Smilax nipponica f. grandifolia ("Obatachishiode")
- Smilax nipponica f. tenuifolia ("Hosobatachishiode")
- Smilax riparia ("Shiode")
- Smilax riparia f. acuta ("Togarishiode")
- Smilax riparia f. sadoensis ("Sadoshiode")
- Smilax riparia f. stenophylla ("Hosobashiode")
- Smilax sebeana ("Hamasarutoriibara")
- Smilax sieboldii ("Yamakashu")
- Smilax sieboldii f. inermis ("Togenashiyamakashu")
- Smilax stans ("Marubasankirai")
- Smithia ciliata ("Shibanemu")
- Smithia sensitiva ("Nemurihagi")
- Solanum aethiopicum (bitter tomato, "Hananasu")
- Solanum americanum (American black nightshade, "Teriminoinuhozuki")
- Solanum capsicoides (cockroach berry, "Kinginnasubi")
- Solanum carolinense (Carolina horsenettle, "Warunasubi")
- Solanum carolinense f. albiflorum ("Shirobanawarunasubi")
- Solanum citrullifolium ("Murasakiharinasu")
- Solanum dulcamara ("Seiyoyamahoroshi")
- Solanum elaeagnifolium ("Rashanasu")
- Solanum elaeagnifolium f. albiflorum ("Shirobanarashanasu")
- Solanum erianthum ("Yanbarunasubi")
- Solanum glaucophyllum (waxyleaf nightshade, "Ruriyanagi")
- Solanum japonense
- Solanum japonense var. japonense ("Yamahoroshi")
- Solanum japonense var. japonense f. xanthocarpum ("Kiminoyamahoroshi")
- Solanum japonense var. takaoyamense ("Takaohoroshi")
- Solanum jasminoides (potato vine, "Tsuruhananasu")
- Solanum kayamae ("Okinawahiyodorijogo")
- Solanum linnaeanum ("Kidachiharinasubi")
- Solanum lycopersicum var. cerasiforme ("Mametomato")
- Solanum lyratum
- Solanum lyratum var. filamentosum ("Itohoroshi")
- Solanum lyratum var. lyratum ("Hiyodorijogo")
- Solanum lyratum var. lyratum f. purpuratum ("Murasakihiyodorijogo")
- Solanum lyratum var. lyratum f. xanthocarpum ("Kiminohiyodorijogo")
- Solanum macaonense ("Yaimanasubi")
- Solanum mammosum (nipplefruit, "Tsunonasu")
- Solanum mauritianum ("Daionasubi")
- Solanum maximowiczii ("Marubanohoroshi")
- Solanum megacarpum ("Omarubanohoroshi")
- Solanum melongena (eggplant, "Nasu")
- Solanum miyakojimense ("Irabunasubi")
- Solanum nigrescens ("Oinuhozuki")
- Solanum nigrum ("Inuhozuki")
- Solanum physalifolium var. nitidibaccatum ("Himekeinuhozuki")
- Solanum pseudocapsicum
- Solanum pseudocapsicum var. diflorum ("Himetamasango")
- Solanum pseudocapsicum var. pseudocapsicum (Jerusalem cherry, "Tamasango")
- Solanum ptychanthum (west Indian nightshade, "Amerikainuhozuki")
- Solanum rostratum ("Tomatodamashi")
- Solanum sarrachoides ("Keinuhozuki")
- Solanum scabrum ("Nangokuinuhozuki")
- Solanum seaforthianum (Brazilian Nightshade, "Ruriirotsurunasu")
- Solanum sisymbriifolium ("Harinasubi")
- Solanum spirale ("Kidachiinuhozuki")
- Solanum torvum ("Suzumenasubi")
- Solanum triflorum ("Hagoromoinuhozuki")
- Solanum tuberosum (potato, "Jagaimo")
- Solanum undatum ("Monpanasubi")
- Solanum villosum ("Akaminoinuhozuki")
- Solanum villosum subsp. miniatum ("Akaminoinuhozuki")
- Solanum villosum subsp. villosum
- Soleirolia soleirolii (baby's tears, "Kokeirakusa")
- Solenogyne mikadoi ("Koketanpopo")
- Solidago altissima ("Seitakaawadachiso")
- Solidago canadensis
- Solidago canadensis var. canadensis
- Solidago canadensis var. gilbocanescens ("Kekanadaakinokirinso")
- Solidago gigantea subsp. serotina (tall goldenrod, "Oawadachiso")
- Solidago horieana ("Sorachiaoyagibana")
- Solidago juncea ("Hayazakiawadachiso")
- Solidago minutissima ("Issunkinka")
- Solidago ptarmicoides (prairie aster, "Teriatsubagiku")
- Solidago sempervirens
- Solidago sempervirens var. mexicana ("Hosobatokiwaawadachiso")
- Solidago sempervirens var. sempervirens ("Tokiwaawadachiso")
- Solidago virgaurea
- Solidago virgaurea subsp. asiatica
- Solidago virgaurea subsp. asiatica var. asiatica ("Akinokirinso")
- Solidago virgaurea subsp. asiatica var. insularis ("Shimakoganegiku")
- Solidago virgaurea subsp. gigantea ("Oakinokirinso")
- Solidago virgaurea subsp. leiocarpa
- Solidago virgaurea subsp. leiocarpa var. leiocarpa
- Solidago virgaurea subsp. leiocarpa var. leiocarpa f. japonalpestris ("Miyamaakinokirinso")
- Solidago virgaurea subsp. leiocarpa var. leiocarpa f. paludosa ("Kirigamineakinokirinso")
- Solidago virgaurea subsp. leiocarpa var. ovata ("Hamaakinokirinso")
- Solidago virgaurea subsp. leiocarpa var. praeflorens ("Hachijoakinokirinso")
- Solidago yokusaiana ("Aoyagibana")
- Soliva anthemifolia (button burrweed, "Igatokinso")
- Soliva sessilis (field burrweed, "Merikentokinso")
- Sonchus arvensis
- Sonchus arvensis subsp. arvensis ("Seiyohachijona")
- Sonchus arvensis subsp. uliginosus ("Arechinogeshi")
- Sonchus asper (prickly sow-thistle, "Oninogeshi")
- Sonchus asper f. asper ("Kenashioninogeshi")
- Sonchus asper f. glandulosus ("Keoninogeshi")
- Sonchus brachyotus ("Hachijona")
- Sonchus oleraceus (common sowthistle, "Nogeshi")
- Sonchus oleraceus f. lilacina ("Usujironogeshi")
- Sonchus tenerrimus ("Hosobanogeshi")
- Sonchus wightianus ("Taiwanhachijona")
- Sonneratia alba ("Hamazakuro")
- Sophora flavescens ("Kurara")
- Sophora flavescens f. purpurascens ("Murasakikurara")
- Sophora franchetiana ("Tsukushimuresuzume")
- Sophora microphylla (small-leaved kowhai)
- Sophora tomentosa ("Isofuji")
- Sorbaria kirilowii ("Niwananakamado")
- Sorbaria sorbifolia var. stellipila ("Hozakinanakamado")
- Sorbaria sorbifolia var. stellipila f. incerta ("Ezohozakinanakamado")
- Sorbus commixta
- Sorbus commixta var. commixta (Japanese rowan, "Nanakamado")
- Sorbus commixta var. rufoferruginea ("Sabibananakamado")
- Sorbus commixta var. wilfordii ("Tsushimananakamado")
- Sorbus gracilis ("Nankinnanakamado")
- Sorbus matsumurana ("Urajironanakamado")
- Sorbus matsumurana f. pseudogracilis ("Nankinnanakamadomodoki")
- Sorbus sambucifolia
- Sorbus sambucifolia var. pseudogracilis ("Miyamananakamado")
- Sorbus sambucifolia var. sambucifolia ("Takanenanakamado")
- Sorbus × kawashiroi
- Sorbus × rikuchuensis
- Sorbus × viminalis ("Tachinankinnanakamado")
- Sorbus × yokouchii ("Ontakenanakamado")
- Sorghum bicolor (sorghum, "Sorugamu")
- Sorghum halepense (Johnson grass, "Seibanmorokoshi")
- Sorghum halepense f. muticum ("Himemorokoshi")
- Sorghum nitidum
- Sorghum nitidum var. dichroanthum ("Morokoshigaya")
- Sorghum nitidum var. nitidum ("Komorokoshigaya")
- Sorghum nitidum var. nitidum f. aristatum ("Shiragemorokoshigaya")
- Sorghum × almum ("Burakkusorugamu")
- Sorghum × drummondii
- Sparaxis (genus, harlequin flower, "Suparakishisu")
- Sparganium angustifolium ("Hosobaukimikuri")
- Sparganium emersum ("Ezomikuri")
- Sparganium erectum ("Mikuri")
- Sparganium erectum var. coreanum ("Mikuri")
- Sparganium erectum var. macrocarpum ("Omikuri")
- Sparganium fallax ("Yamatomikuri")
- Sparganium glomeratum ("Tamamikuri")
- Sparganium gramineum ("Ukimikuri")
- Sparganium hyperboreum ("Chishimamikuri")
- Sparganium japonicum ("Nagaemikuri")
- Sparganium natans ("Hinamikuri")
- Sparganium subglobosum ("Himemikuri")
- Spathiphyllum (genus, Spath)
- Spathoglottis plicata (Philippine ground orchid, "Kotoshiran")
- Spergula arvensis ("Otsumekusa")
- Spergula arvensis var. arvensis ("Noharatsumekusa")
- Spergula arvensis var. maxima ("Otsumekusamodoki")
- Spergula arvensis var. sativa ("Otsumekusa")
- Spergularia bocconii ("Ushiohanatsumekusa")
- Spergularia marina ("Ushiotsumekusa")
- Spergularia rubra (red sandspurry, "Usubenitsumekusa")
- Spermacoce articularis ("Harifutaba")
- Spermacoce assurgens ("Nagabaharifutaba")
- Spermacoce glabra ("Amerikaharifutaba")
- Spermacoce latifolia ("Hirohafutabamugura")
- Spermacoce prostrata ("Marubafutabamugura")
- Spermacoce tenuior ("Amerikamugura")
- Sphagneticola calendulacea ("Kumanogiku")
- Sphagneticola trilobata (Bay Biscayne creeping-oxeye, "Amerikahamaguruma")
- Sphenoclea zeylanica ("Nagabonorushi")
- Sphenomeris biflora ("Hamahorashinobu")
- Sphenomeris biflora × Sphenomeris chinensis ("Aihorashinobu")
- Sphenomeris chinensis
- Sphenomeris chinensis var. chinensis ("Horashinobu")
- Sphenomeris chinensis var. kenzoana ("Uchiwahorashinobu")
- Sphenomeris chinensis × Sphenomeris gracilis ("Aihimehorashinobu")
- Sphenomeris gracilis ("Himehorashinobu")
- Sphenomeris intermedia ("Ainokohorashinobu")
- Sphenomeris minutula ("Kobitohorashinobu")
- Sphenomeris yaeyamensis
- Sphenopholis obtusata ("Kusabigaya")
- Sphyrospermum cordifolium
- Spinacia oleracea (spinach, "Horenso")
- Spinifex littoreus ("Tsukiige")
- Spiraea betulifolia
- Spiraea betulifolia var. aemiliana ("Ezonomarubashimotsuke")
- Spiraea betulifolia var. aemiliana f. glabra ("Kenashiezonomarubashimotsuke")
- Spiraea betulifolia var. betulifolia (birchleaf spirea, "Marubashimotsuke")
- Spiraea betulifolia var. betulifolia f. grandifolia ("Apoishimotsuke")
- Spiraea betulifolia var. betulifolia f. oblanceolata ("Teshioshimotsuke")
- Spiraea betulifolia var. yoshitakae ("Mashikemarubashimotsuke")
- Spiraea blumei
- Spiraea blumei var. blumei ("Iwagasa")
- Spiraea blumei var. blumei f. amabilis ("Kogomeiwagasa")
- Spiraea blumei var. obtusa ("Mitsubaiwagasa")
- Spiraea cantoniensis (Reeve's spiraea, "Kodemari")
- Spiraea cantoniensis f. plena ("Yaekodemari")
- Spiraea chamaedrifolia var. pilosa ("Aizushimotsuke")
- Spiraea dasyantha ("Ibukishimotsuke")
- Spiraea faurieana ("Ezonoshijimibana")
- Spiraea fritschiana var. angulata ("Chosenshimotsuke")
- Spiraea japonica
- Spiraea japonica var. japonica (Japanese meadowsweet, "Shimotsuke")
- Spiraea japonica var. japonica f. albiflora ("Shirobanashimotsuke")
- Spiraea japonica var. japonica f. alpina ("Oyamashimotsuke")
- Spiraea japonica var. japonica f. bullata ("Koshimotsuke")
- Spiraea japonica var. japonica f. hypoglauca ("Urajiroshimotsuke")
- Spiraea japonica var. japonica f. ibukiensis ("Himeshimotsuke")
- Spiraea japonica var. ripensis ("Doronoshimotsuke")
- Spiraea media var. sericea ("Ezoshimotsuke")
- Spiraea miyabei ("Ezonoshirobanashimotsuke")
- Spiraea nipponica
- Spiraea nipponica var. nipponica ("Iwashimotsuke")
- Spiraea nipponica var. ogawae ("Kiishimotsuke")
- Spiraea nipponica var. tosaensis ("Tosashimotsuke")
- Spiraea prunifolia (bridalwreath spirea, "Shijimibana")
- Spiraea salicifolia (bridewort, "Hozakishimotsuke")
- Spiraea thunbergii (Thunberg's meadowsweet, "Yukiyanagi")
- Spiraea trifoliata (Bowman's root, "Mitsubashimotsuke")
- Spiraea × hayatae ("Urajiroiwagasa")
- Spiraea ×vanhouttei (Vanhoutte spirea, "Aikodemari")
- Spiranthes sinensis
- Spiranthes sinensis var. amoena (Chinese spiranthes, "Nejibana")
- Spiranthes sinensis var. amoena f. albescens ("Shirobanamojizuri")
- Spiranthes sinensis var. amoena f. autumnus ("Akinejibana")
- Spiranthes sinensis var. amoena f. gracilis ("Yakushimanejibana")
- Spiranthes sinensis var. amoena f. viridiflora ("Aomojizuri")
- Spiranthes sinensis var. sinensis ("Nangokunejibana")
- Spirodela polyrhiza (great duckweed, "Ukikusa")
- Spodiopogon cotulifer
- Spodiopogon cotulifer var. cotulifer ("Aburasusuki")
- Spodiopogon cotulifer var. cotulifer f. sagittiformis ("Takasagoaburasusuki")
- Spodiopogon cotulifer var. densiflorus ("Danchiaburasusuki")
- Spodiopogon depauperatus ("Miyamaaburasusuki")
- Spodiopogon sibiricus ("Oaburasusuki")
- Sporobolus cryptandrus ("Suzumehigeshiba")
- Sporobolus diander ("Futashibenezumino")
- Sporobolus fertilis
- Sporobolus fertilis var. fertilis ("Nezumino")
- Sporobolus fertilis var. purpureosuffusus ("Murasakinezumino")
- Sporobolus hancei ("Himenezumino")
- Sporobolus japonicus ("Higeshiba")
- Sporobolus vaginifolius ("Sayahigeshiba")
- Sporobolus virginicus ("Sonareshiba")
- Spuriopimpinella calycina ("Kanotsumeso")
- Spuriopimpinella koreana ("Hikagemitsuba")
- Spuriopimpinella koreana f. dissecta ("Hagoromohikagemitsuba")
- Stachys annua ("Seiyoinugoma")
- Stachys arvensis (field woundwort, "Yabuchorogi")
- Stachys aspera
- Stachys aspera var. baicalensis ("Ezoinugoma")
- Stachys aspera var. hispidula ("Inugoma")
- Stachys aspera var. hispidula f. angustifolia ("Hosobainugoma")
- Stachys aspera var. hispidula f. leucantha ("Shirobanainugoma")
- Stachys aspera var. japonica ("Kenashiinugoma")
- Stachys aspera var. japonica f. harana ("Hosobakenashiinugoma")
- Stachys byzantina (lamb's-ear)
- Stachys palustris
- Stachys palustris var. palustris ("Otomeinugoma")
- Stachys palustris var. pilosa ("Keotomeinugoma")
- Stachys sieboldii (Chinese artichoke, "Chorogi")
- Stachytarpheta cayennensis ("Usuirohonagaso")
- Stachytarpheta dichotoma ("Chirimennagaboso")
- Stachytarpheta jamaicensis ("Futobonagaboso")
- Stachytarpheta urticifolia ("Nagaboso")
- Stachyurus praecox
- Stachyurus praecox var. macrocarpus ("Nagabakibushi")
- Stachyurus praecox var. matsuzakii ("Nanbankibushi")
- Stachyurus praecox var. praecox ("Kibushi")
- Stachyurus praecox var. praecox f. bicolor ("Nishikikibushi")
- Stachyurus praecox var. praecox f. leucotrichus ("Kekibushi")
- Stachyurus praecox var. praecox f. microphyllus ("Kobanokibushi")
- Stachyurus praecox var. praecox f. rotundifolius ("Marubakibushi")
- Stachyurus praecox var. prunifolius ("Hazakurakibushi")
- Stanhopea (genus)
- Stapelia (genus)
- Staphylea bumalda (Bumald bladdernut, "Mitsubautsugi")
- Staphylea bumalda f. kobotokensis ("Midorimitsubautsugi")
- Staphylea bumalda f. rosea ("Usubenimitsubautsugi")
- Staphylea bumalda f. viridis ("Shirobanamitsubautsugi")
- Stauntonia hexaphylla ("Mube")
- Staurogyne concinnula ("Taiwansagigoke")
- Stegnogramma griffithii var. wilfordii ("Amishida")
- Stegnogramma gymnocarpa subsp. amabilis ("Himemizoshida")
- Stegnogramma pozoi subsp. mollissima ("Mizoshida")
- Stegnogramma pozoi subsp. mollissima f. pilosissima ("Aragemizoshida")
- Stegnogramma pozoi subsp. mollissima f. yakushimensis ("Yakushimamizoshida")
- Stellaria aquatica ("Ushihakobe")
- Stellaria bungeana ("Ohakobe")
- Stellaria calycantha ("Kanchiyachihakobe")
- Stellaria diversiflora
- Stellaria diversiflora var. diversiflora ("Sawahakobe")
- Stellaria diversiflora var. diversiflora f. angustifolia ("Nagabanosawahakobe")
- Stellaria diversiflora var. diversiflora f. robusta ("Osawahakobe")
- Stellaria diversiflora var. yakumontana ("Yakushimahakobe")
- Stellaria fenzlii ("Shiraoihakobe")
- Stellaria fenzlii f. glaberrima ("Kenashishiraoihakobe")
- Stellaria filicaulis ("Itohakobe")
- Stellaria graminea (common starwort, "Karafutohosobahakobe")
- Stellaria holostea ("Awayukihakobe")
- Stellaria humifusa ("Ezohakobe")
- Stellaria longifolia ("Nagabatsumekusa")
- Stellaria media (common chickweed, "Kohakobe")
- Stellaria monosperma var. japonica ("Oyamahakobe")
- Stellaria neglecta (greater chickweed, "Midorihakobe")
- Stellaria nipponica
- Stellaria nipponica var. nipponica ("Iwatsumekusa")
- Stellaria nipponica var. yezoensis ("Oiwatsumekusa")
- Stellaria pallida ("Inukohakobe")
- Stellaria pterosperma ("Ezoiwatsumekusa")
- Stellaria radians ("Ezooyamahakobe")
- Stellaria ruscifolia ("Shikotanhakobe")
- Stellaria sessiliflora ("Miyamahakobe")
- Stellaria uchiyamana
- Stellaria uchiyamana var. apetala ("Aohakobe")
- Stellaria uchiyamana var. uchiyamana ("Yamahakobe")
- Stellaria uliginosa
- Stellaria uliginosa var. uliginosa ("Nominokobusuma")
- Stellaria uliginosa var. undulata ("Nominofusuma")
- Stenocarpus sinuatus (firewheel tree)
- Stenotaphrum micranthum ("Tsunokibi")
- Stenotaphrum secundatum ("Inushiba")
- Stephania japonica ("Hasunohakazura")
- Sterculia monosperma (Chinese chestnut, "Pinponnoki")
- Stereosandra javanica ("Iriomotemuyoran")
- Sternbergia lutea (winter daffodil, "Kibanatamasudare")
- Stewartia monadelpha (monadelphous stewartia, "Himeshara")
- Stewartia monadelpha f. sericea ("Tochusharanoki")
- Stewartia pseudocamellia (Japanese stewartia, "Natsutsubaki")
- Stewartia serrata ("Hikosanhimeshara")
- Stewartia serrata f. sericea ("Togokuhimeshara")
- Stictocardia tiliifolia ("Obahamaasagao")
- Stigmatodactylus sikokianus ("Korogiran")
- Stimpsonia chamaedryoides ("Hozakizakura")
- Stipa alpina ("Higenagakomesusuki")
- Stipa coreana var. japonica ("Hirohanohanegaya")
- Stipa pekinensis ("Hanegaya")
- Stipa spartea (porcupine grass, "Yamaarashigaya")
- Stokesia laevis (Stokes' aster)
- Strelitzia reginae (crane flower, "Gokurakuchoka")
- Streptocarpus (genus, Cape primrose)
- Streptocarpus saxorum (false African violet)
- Streptolirion lineare ("Aoikazura")
- Streptopus amplexifolius
- Streptopus amplexifolius var. papillatus ("Obatakeshimaran")
- Streptopus streptopoides
- Streptopus streptopoides subsp. japonicus ("Takeshimaran")
- Streptopus streptopoides subsp. japonicus f. atrocarpus ("Kurominotakeshimaran")
- Streptopus streptopoides subsp. streptopoides ("Himetakeshimaran")
- Strobilanthes cusia ("Ryukyuai")
- Strobilanthes dyeriana (Persian shield, "Uramurasaki")
- Strobilanthes flexicaulis ("Arisan'ai")
- Strobilanthes japonica ("Isehanabi")
- Strobilanthes oligantha ("Suzumushibana")
- Strobilanthes tashiroi ("Okinawasuzumushiso")
- Strobilanthes wakasana ("Yukimibana")
- Stromanthe sanguinea (stromanthe, "Urabenisho")
- Strongylodon macrobotrys (jade vine, "Hisuikazura")
- Stuartina hamata ("Kagibarichichikogusa")
- Stylosanthes guianensis
- Styphonolobium japonicum (Japanese pagoda tree, "Enju")
- Styrax benzoin (gum benjamin tree, "Ansokukonoki")
- Styrax japonica
- Styrax japonica var. japonica ("Egonoki")
- Styrax japonica var. japonica f. angustifolia ("Hosobaegonoki")
- Styrax japonica var. japonica f. jippei-kawamurae ("Obaegonoki")
- Styrax japonica var. japonica f. parviflora ("Himeegonoki")
- Styrax japonica var. japonica f. rubicalyx ("Benigakuegonoki")
- Styrax japonica var. japonica f. zigzag ("Ganbokuegonoki")
- Styrax japonica var. kotoensis ("Kotoegonoki")
- Styrax japonica var. kotoensis f. tomentosa ("Obakeegonoki")
- Styrax obassia (fragrant snowbell, "Hakunboku")
- Styrax shiraiana ("Kohakunboku")
- Suaeda glauca ("Matsuna")
- Suaeda japonica ("Shichimenso")
- Suaeda malacosperma ("Hirohamatsuna")
- Suaeda maritima
- Suaeda maritima var. australis ("Shimahamamatsuna")
- Suaeda maritima var. maritima ("Hamamatsuna")
- Subularia aquatica ("Harinazuna")
- Succisella inflexa (Southern succisella)
- Suzukia luchuensis ("Yaeyamasuzukoju")
- Swainsona galegifolia (smooth Darling pea)
- Swertia bimaculata ("Akebonoso")
- Swertia bimaculata f. impunctata ("Hoshinashiakebonoso")
- Swertia japonica
- Swertia japonica var. japonica ("Senburi")
- Swertia japonica var. japonica f. chionantha ("Shirobanasenburi")
- Swertia japonica var. japonica f. littoralis ("Hamasenburi")
- Swertia japonica var. japonica f. plena ("Yaesenburi")
- Swertia japonica var. latifolia ("Hirohasenburi")
- Swertia makinoana ("Shimaakebonoso")
- Swertia noguchiana ("Sonaresenburi")
- Swertia perennis subsp. cuspidata ("Miyamaakebonoso")
- Swertia pseudochinensis ("Murasakisenburi")
- Swertia swertopsis ("Shinonomeso")
- Swertia tashiroi ("Hetsukarindo")
- Swertia tashiroi f. cruciata ("Jujiakebonoso")
- Swertia tashiroi f. immaculata ("Hoshinashihetsukarindo")
- Swertia tashiroi f. plena ("Yaezakihetsukarindo")
- Swertia tetrapetala
- Swertia tetrapetala subsp. micrantha
- Swertia tetrapetala subsp. micrantha var. chrysantha ("Takanesenburi")
- Swertia tetrapetala subsp. micrantha var. chrysantha f. leucantha ("Shirobanatakanesenburi")
- Swertia tetrapetala subsp. micrantha var. happoensis ("Happotakanesenburi")
- Swertia tetrapetala subsp. tetrapetala
- Swertia tetrapetala subsp. tetrapetala var. tetrapetala ("Chishimasenburi")
- Swertia tetrapetala subsp. tetrapetala var. tetrapetala f. albiflora ("Shirobanachishimasenburi")
- Swertia tetrapetala subsp. tetrapetala var. yezoalpina ("Ezotakanesenburi")
- Swertia tosaensis ("Inusenburi")
- Symphoricarpos (genus, snowberry)
- Symphoricarpos albus (common snowberry, "Sekkoboku")
- Symphyotrichum novae-angliae (New England aster, "Nebarinogiku")
- Symphyotrichum novi-belgii (New York aster, "Yuzengiku")
- Symphyotrichum pilosum ("Kidachikongiku")
- Symphyotrichum praealtum ("Atsubayanaginogiku")
- Symphyotrichum subulatum
- Symphyotrichum subulatum var. elongatum ("Ohokigiku")
- Symphyotrichum subulatum var. elongatum × var. squamatum ("Osozakihokigiku")
- Symphyotrichum subulatum var. squamatum ("Hirohahokigiku")
- Symphyotrichum subulatum var. squamatum × var. subulatum ("Murasakihokigiku")
- Symphyotrichum subulatum var. subulatum (eastern annual saltmarsh aster, "Hokigiku")
- Symphytum asperum (prickly comfrey)
- Symphytum grandiflorum (dwarf comfrey)
- Symphytum officinale (common comfrey, "Hirehariso")
- Symphytum × uplandicum (comfrey)
- Symplocarpus nabekuraensis
- Symplocarpus nipponicus ("Himezazenso")
- Symplocarpus nipponicus f. viridispathus ("Midorihimezazenso")
- Symplocarpus renifolius (skunk cabbage, "Zazenso")
- Symplocarpus renifolius f. variegatus ("Fuirizazenso")
- Symplocos boninensis ("Muninkuroki")
- Symplocos caudata ("Yaeyamakurobai")
- Symplocos cochinchinensis ("Aobanoki")
- Symplocos coreana ("Tannasawafutagi")
- Symplocos formosana ("Amashiba")
- Symplocos glauca ("Mimizubai")
- Symplocos kawakamii ("Uchidashikuroki")
- Symplocos konishii
- Symplocos kuroki
- Symplocos lancifolia ("Shirobai")
- Symplocos liukiuensis
- Symplocos liukiuensis var. iriomotensis ("Iriomotehainoki")
- Symplocos liukiuensis var. liukiuensis ("Aobanahainoki")
- Symplocos myrtacea
- Symplocos myrtacea var. latifolia ("Hirohahainoki")
- Symplocos myrtacea var. myrtacea ("Hainoki")
- Symplocos myrtacea var. myrtacea f. pubescens ("Omogohainoki")
- Symplocos nakaharae
- Symplocos okinawensis ("Ryukyuhainoki")
- Symplocos paniculata ("Kurominonishigori")
- Symplocos pergracilis ("Chichijimakuroki")
- Symplocos prunifolia
- Symplocos prunifolia var. prunifolia ("Kurobai")
- Symplocos prunifolia var. prunifolia f. uii ("Marubakurobai")
- Symplocos prunifolia var. tawadae ("Nagabakurobai")
- Symplocos sawafutagi
- Symplocos sawafutagi var. sawafutagi
- Symplocos sawafutagi var. terrae-nivosae
- Symplocos sonoharae ("Miyamashirobai")
- Symplocos stellaris ("Yanbarumimizubai")
- Symplocos tanakae ("Hirohanomimizubai")
- Symplocos tanakana ("Kurominosawafutagi")
- Symplocos theophrastifolia ("Kanzaburonoki")
- Synedrella nodiflora ("Fushizakiso")
- Syneilesis aconitifolia var. longilepis ("Tanbayaburegasa")
- Syneilesis palmata ("Yaburegasa")
- Syneilesis tagawae
- Syneilesis tagawae var. latifolia ("Hirohayaburegasamodoki")
- Syneilesis tagawae var. tagawae ("Yaburegasamodoki")
- Synurus excelsus ("Habayamabokuchi")
- Synurus palmatopinnatifidus
- Synurus palmatopinnatifidus var. indivisus ("Yamabokuchi")
- Synurus palmatopinnatifidus var. palmatopinnatifidus ("Kikubayamabokuchi")
- Synurus pungens
- Synurus pungens var. giganteus ("Oniyamabokuchi")
- Synurus pungens var. pungens ("Oyamabokuchi")
- Syringa meyeri (Meyer lilac, "Kobanohashidoi")
- Syringa reticulata
- Syringa reticulata var. amurensis ("Manshuhashidoi")
- Syringa reticulata var. reticulata (Japanese tree lilac, "Hashidoi")
- Syringa reticulata var. tatewakiana ("Keobahashidoi")
- Syringa vulgaris (common lilac, "Murasakihashidoi")
- Syringodium isoetifolium ("Shionira")
- Syzygium aromaticum (clove, "Chojinoki")
- Syzygium buxifolium ("Adeku")
- Syzygium cleyerifolium ("Himefutomomo")
- Syzygium jambos (rose apple, "Futomomo")