| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| STMA6 | Stemodia maritima L. | seaside twintip | Scrophulariaceae
|
| STSC | Stemodia schottii Holz. | Rio Grande twintip | Scrophulariaceae
|
| STTO2 | Stemodia tomentosa (P. Mill.) Greenm. & C.H. Thompson | Stemodia lanata | Scrophulariaceae
|
| STVE | Stemodia verticillata (P. Mill.) Hassler | whorled twintip | Scrophulariaceae
|
| STEMO | Stemodia L. | twintip | Scrophulariaceae
|
| STAM10 | Stemonurus ammui (Kanehira) H.L. Sleumer | | Icacinaceae
|
| STEMO2 | Stemonurus Blume | | Icacinaceae
|
| STAN10 | Stenactis annua (L.) Nees | Erigeron annuus | Asteraceae
|
| STST14 | Stenactis strigosa (Muhl. ex Willd.) DC. | Erigeron strigosus var. strigosus | Asteraceae
|
| STBA | Stenandrium barbatum Torr. & Gray | early shaggytuft | Acanthaceae
|
| STDUF | Stenandrium dulce (Cav.) Nees var. floridanum Gray | Stenandrium dulce | Acanthaceae
|
| STDU2 | Stenandrium dulce (Cav.) Nees | sweet shaggytuft | Acanthaceae
|
| STFA | Stenandrium fasciculare (Benth.) Wasshausen | Stenandrium dulce | Acanthaceae
|
| STFL | Stenandrium floridanum (Gray) Small | Stenandrium dulce | Acanthaceae
|
| STTU | Stenandrium tuberosum (L.) Urban | mata espiritista | Acanthaceae
|
| STENA | Stenandrium Nees | shaggytuft | Acanthaceae
|
| STOC3 | Stenanthella occidentalis (Gray) Rydb. | Stenanthium occidentale | Liliaceae
|
| STGRG2 | Stenanthium gramineum (Ker-Gawl.) Morong var. gramineum | eastern featherbells | Liliaceae
|
| STGRM | Stenanthium gramineum (Ker-Gawl.) Morong var. micranthum Fern. | eastern featherbells | Liliaceae
|
| STGRR | Stenanthium gramineum (Ker-Gawl.) Morong var. robustum (S. Wats.) Fern. | eastern featherbells | Liliaceae
|
| STGR2 | Stenanthium gramineum (Ker-Gawl.) Morong | eastern featherbells | Liliaceae
|
| STOC | Stenanthium occidentale Gray | western featherbells | Liliaceae
|
| STRO5 | Stenanthium robustum S. Wats. | Stenanthium gramineum var. robustum | Liliaceae
|
| STENA2 | Stenanthium (Gray) Kunth | featherbells | Liliaceae
|
| STFI5 | Stenocereus fimbriatus (Lam.) Lourteig | Spanish stenocereus | Cactaceae
|
| STHY4 | Stenocereus hystrix (Haw.) Buxbaum | Stenocereus fimbriatus | Cactaceae
|
| STPE13 | Stenocereus peruvianus auct. non (P. Mill.) Kiesling | Cereus hildmannianus | Cactaceae
|
| STTH3 | Stenocereus thurberi (Engelm.) Buxbaum | organpipe cactus | Cactaceae
|
| STENO8 | Stenocereus (Berger) Riccob. | stenocereus | Cactaceae
|
| STAM6 | Stenochlaena amydrophlebia Slosson ex Maxon | Lomariopsis amydrophlebia | Dryopteridaceae
|
| STKU | Stenochlaena kunzeana K. Presl ex Underwood | Lomariopsis kunzeana | Dryopteridaceae
|
| STSO3 | Stenochlaena sorbifolia (L.) J. Sm. | Lomariopsis sorbifolia | Dryopteridaceae
|
| STTE6 | Stenochlaena tenuifolia (Desv.) T. Moore | giant vine fern | Blechnaceae
|
| STENO6 | Stenochlaena J. Sm. | stenochlaena | Blechnaceae
|
| STBY2 | Stenocybe byssacea (Fr.) Korber | Stenocybe pullatula | Mycocaliciaceae
|
| STCL6 | Stenocybe clavata Tibell | | Mycocaliciaceae
|
| STEU | Stenocybe euspora (Nyl.) Anzi | Stenocybe major | Mycocaliciaceae
|
| STMA8 | Stenocybe major (Nyl.) Korber | | Mycocaliciaceae
|
| STMI7 | Stenocybe minutissima (G. Merr.) Zahlbr. | | Mycocaliciaceae
|
| STPU7 | Stenocybe pullatula (Ach.) Stein | | Mycocaliciaceae
|
| STTR4 | Stenocybe tremulicola Norrlin ex Nyl. | | Mycocaliciaceae
|
| STENO9 | Stenocybe (Nyl.) Korber | stenocybe | Mycocaliciaceae
|
| STFL2 | Stenogonum flexum (M.E. Jones) Reveal & J.T. Howell | bent two-whorl buckwheat | Polygonaceae
|
| STSA3 | Stenogonum salsuginosum Nutt. | salty buckwheat | Polygonaceae
|
| STENO5 | Stenogonum Nutt. | buckwheat | Polygonaceae
|
| STAFD | Stenogyne affinis Forbes var. degeneri Sherff | Stenogyne rotundifolia | Lamiaceae
|
| STAFR | Stenogyne affinis Forbes var. retrorsa O. Deg. & Sherff | Stenogyne kamehamehae | Lamiaceae
|
| STAF | Stenogyne affinis Forbes | Stenogyne microphylla | Lamiaceae
|
| STANH | Stenogyne angustifolia Gray var. hillebrandii Sherff | Stenogyne angustifolia | Lamiaceae
|
| STANM | Stenogyne angustifolia Gray var. mauiensis Sherff | Stenogyne angustifolia | Lamiaceae
|
| STANM2 | Stenogyne angustifolia Gray var. meeboldii Sherff | Stenogyne angustifolia | Lamiaceae
|
| STANS | Stenogyne angustifolia Gray var. salicifolia Sherff | Stenogyne angustifolia | Lamiaceae
|
| STANS2 | Stenogyne angustifolia Gray var. spathulata Sherff | Stenogyne angustifolia | Lamiaceae
|
| STAN3 | Stenogyne angustifolia Gray | narrowleaf stenogyne | Lamiaceae
|
| STBI3 | Stenogyne bifida Hbd. | twocleft stenogyne | Lamiaceae
|
| STBI4 | Stenogyne biflora (Sherff) St. John | Stenogyne scrophularioides | Lamiaceae
|
| STCAO | Stenogyne calaminthoides Gray var. oxydonta Sherff | Stenogyne oxygona | Lamiaceae
|
| STCAS | Stenogyne calaminthoides Gray var. subrotunda Sherff | Stenogyne calaminthoides | Lamiaceae
|
| STCAW | Stenogyne calaminthoides Gray var. waimeana Sherff | Stenogyne calaminthoides | Lamiaceae
|
| STCA9 | Stenogyne calaminthoides Gray | bog stenogyne | Lamiaceae
|
| STCA10 | Stenogyne calycosa Sherff | Maui stenogyne | Lamiaceae
|
| STCA12 | Stenogyne campanulata Weller & Sakai | Kalalau Valley stenogyne | Lamiaceae
|
| STCI3 | Stenogyne cinerea Hbd. | Kula stenogyne | Lamiaceae
|
| STCR4 | Stenogyne cranwelliae Sherff | Kohala Mountain stenogyne | Lamiaceae
|
| STCRM | Stenogyne crenata Gray var. muricata O. Deg. & Sherff | Stenogyne microphylla | Lamiaceae
|
| STCR5 | Stenogyne crenata Gray | Stenogyne microphylla | Lamiaceae
|
| STDIG | Stenogyne diffusa Gray var. glabra Wawra | Stenogyne microphylla | Lamiaceae
|
| STDI5 | Stenogyne diffusa Gray | Stenogyne microphylla | Lamiaceae
|
| STGL2 | Stenogyne glabrata (Hbd.) Sherff | Stenogyne rotundifolia | Lamiaceae
|
| STHA2 | Stenogyne haliakalae Wawra | Haleakala stenogyne | Lamiaceae
|
| STHI4 | Stenogyne hirsutula St. John | Stenogyne scrophularioides | Lamiaceae
|
| STKAC | Stenogyne kaalae Wawra var. coriacea O. Deg. & Sherff | Stenogyne rugosa | Lamiaceae
|
| STKAL | Stenogyne kaalae Wawra var. latisepala Sherff | Stenogyne kaalae | Lamiaceae
|
| STKA | Stenogyne kaalae Wawra | Kaala stenogyne | Lamiaceae
|
| STKAA | Stenogyne kamehamehae Wawra var. albiflora Sherff | Stenogyne kamehamehae | Lamiaceae
|
| STKA2 | Stenogyne kamehamehae Wawra | forest stenogyne | Lamiaceae
|
| STKA3 | Stenogyne kanehoana O. Deg. & Sherff | Oahu stenogyne | Lamiaceae
|
| STKEA | Stenogyne kealiae Wawra var. angustata O. Deg. & Sherff | Stenogyne purpurea | Lamiaceae
|
| STKE | Stenogyne kealiae Wawra | Stenogyne purpurea | Lamiaceae
|
| STMAA | Stenogyne macrantha Benth. var. amicarum O. Deg. & Sherff | Stenogyne scrophularioides | Lamiaceae
|
| STMAG | Stenogyne macrantha Benth. var. gracilis Sherff | Stenogyne scrophularioides | Lamiaceae
|
| STMAG2 | Stenogyne macrantha Benth. var. grayi Mann | Stenogyne macrantha | Lamiaceae
|
| STMAL | Stenogyne macrantha Benth. var. latifolia Hbd. | Stenogyne macrantha | Lamiaceae
|
| STMA3 | Stenogyne macrantha Benth. | Hawai'i stenogyne | Lamiaceae
|
| STMI3 | Stenogyne microphylla Benth. | littleleaf stenogyne | Lamiaceae
|
| STMO4 | Stenogyne mollis (Sherff) St. John | Stenogyne rugosa | Lamiaceae
|
| STOX | Stenogyne oxygona O. Deg. & Sherff | jeweled stenogyne | Lamiaceae
|
| STPUB | Stenogyne purpurea Mann var. brevipedunculata Wawra | Stenogyne purpurea | Lamiaceae
|
| STPUF | Stenogyne purpurea Mann var. forbesii Sherff | Stenogyne purpurea | Lamiaceae
|
| STPUL | Stenogyne purpurea Mann var. leptophylla Sherff | Stenogyne purpurea | Lamiaceae
|
| STPU4 | Stenogyne purpurea Mann | purplefruit stenogyne | Lamiaceae
|
| STROO | Stenogyne rotundifolia Gray var. oblonga Sherff | Stenogyne rotundifolia | Lamiaceae
|
| STRO2 | Stenogyne rotundifolia Gray | pua'ainaka | Lamiaceae
|
| STRUM2 | Stenogyne rugosa Benth. var. mollis Sherff | Stenogyne rugosa | Lamiaceae
|
| STRUS | Stenogyne rugosa Benth. var. subulata Sherff | Stenogyne rugosa | Lamiaceae
|
| STRU2 | Stenogyne rugosa Benth. | ma'ohi'ohi | Lamiaceae
|
| STSC3 | Stenogyne scandens Sherff | Stenogyne scrophularioides | Lamiaceae
|
| STSCB | Stenogyne scrophularioides Benth. var. biflora Sherff | Stenogyne scrophularioides | Lamiaceae
|
| STSCN | Stenogyne scrophularioides Benth. var. nelsonii (Benth.) Sherff | Stenogyne scrophularioides | Lamiaceae
|
| STSCR | Stenogyne scrophularioides Benth. var. remyi Sherff | Stenogyne scrophularioides | Lamiaceae
|
| STSCS | Stenogyne scrophularioides Benth. var. skottsbergii Sherff | Stenogyne scrophularioides | Lamiaceae
|