เรื่อง ทะเบียนพันธุพืชในประเทศไทย

Shuteria sinensis Hemsl. Leguminosae-Papilionoideae
Shuteria sp. Leguminosae-Papilionoideae
Shuteria suffulta Wall. ex Bth. Leguminosae-Papilionoideae
Shuteria vestita Wight & Arn. Leguminosae-Papilionoideae
Siamosia thailandica K. Larsen & T.M. Pedersen l.c. Amaranthaceae
Sida corylifolia Wall. ex Mast. Malvaceae
Sida sp. Malvaceae
Siegesbeckia sp. Asteraceae
Silene burmanica Coll. et Hemsl. Caryophyllaceae
Silene dioica (L.) Clairv. Caryophyllaceae
Silene undulata Aiton Caryophyllaceae
Silene valgaris (Moench) Garcke Caryophyllaceae
Silene valgaris (Moench) Garcke ssp. maritima
(With) A. & D. Love
Caryophyllaceae
Sindechites sp. Apocynaceae
Sindora fusca Craib Leguminosae-Caesalpinioideae
Sindora sp. Leguminosae-Caesalpinioideae
Siningia sp. Gesneriaceae
Sinomenium acutum (Thunb.) Rehder & Wilson Menispermaceae
Sinomenium acutum (Thunb.) Rehder & Wilson var.
cinereum Rehder & Wilson
Menispermaceae
Siphonodon sp. Celastraceae
Sirindhornia monophylla Orchidaceae
Sirindhornia sp. Orchidaceae
Sisyrolepis sp. Sapindaceae
Sizygium sp. Myrtaceae
Sladenia celastrifolia Kurz Theaceae
Sladenia sp. Theaceae
Sloanea kerrii Craib Elaeocarpaceae
Sloanea mollis Gagnep. Elaeocarpaceae
Sloanea sp. Elaeocarpaceae
Smilax calophyll A.DC. Smilacaceae
Smilax macrophylla Roxb. Smilacaceae
Smilax microphylla Roxb. Smilacaceae