Explore / Range and rarity / Single-county taxa
Range and rarity
Single-county taxa
Taxa documented in only a single county across the entire catalogue. Mostly local endemics, sub-rank curiosities, and rarely-collected outliers — the eccentric edge of the flora.
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Showing 3,051–3,100 of 3,373.
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Sphagnum papillosum Lindb. SPPA71papillose sphagnum · Sphagnaceae -
Sphagnum platyphyllum (Lindb. ex Braithw.) Sull. ex Warnst. SPPL70sphagnum · Sphagnaceae -
Sphagnum portoricense Hampe SPPO9Puerto Rico sphagnum · Sphagnaceae -
Sphagnum quinquefarium (Lindb. ex Braithw.) Warnst. SPQUsphagnum · Sphagnaceae -
Sphagnum riparium Ångstr. SPRI70streamside sphagnum · Sphagnaceae -
Sphagnum russowii Warnst. SPRU6Russow's sphagnum · Sphagnaceae -
Sphagnum squarrosum Crome SPSQ70sphagnum · Sphagnaceae -
Sphagnum strictum Sull. SPST9sphagnum · Sphagnaceae -
Sphagnum teres (Schimp.) Ångstr. SPTE71sphagnum · Sphagnaceae -
Sphagnum wheeleri Müll. Hal. SPWHWheeler's sphagnum · Sphagnaceae -
Sphagnum wulfianum Girg. SPWU70Wulf's sphagnum · Sphagnaceae -
Spigelia alabamensis (K. Gould) K.G. Mathews & Weakley SPAL6purpleflower pinkroot · Loganiaceae -
Spiranthes amesiana Schltr. SPAM7Ames' lady's tresses · Orchidaceae -
Spiranthes infernalis Sheviak SPIN7Ash Meadows lady's tresses · Orchidaceae - Spiranthes ×folsomii P.M. Brown [longilabris × odorata] SPFO5lady's tresses · Orchidaceae
- Spiranthes ×simpsonii Catling & Sheviak [lacera × romanzoffiana] SPSI6lady's tresses · Orchidaceae
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Sporobolus creber De Nardi SPCR6slender dropseed · Poaceae -
Stachys bergii G. Mulligan & D. Munro STBE6Berg's hedgenettle · Lamiaceae -
Stachytarpheta mutabilis (Jacq.) Vahl STMU2changeable velvetberry · Verbenaceae -
Stanleya tomentosa Parry var. runcinata (Rydb.) Rollins STTORwoolly princesplume · Brassicaceae -
Stapelia gigantea N.E. Br. STGIZulu giant · Asclepiadaceae - Stellaria ciliatosepala Trautv. STCI4Edwards' starwort · Caryophyllaceae
- Stenaria butterwickiae (Terrell) Terrell STBU4Butterwick's starviolet · Rubiaceae
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Stenaria mullerae (Fosberg) Terrell STMU4Muller's diamond-flowers · Rubiaceae -
Stenaria mullerae (Fosberg) Terrell var. pooleana (B.L. Turner) Terrell STMUPPoole's starviolet · Rubiaceae - Stenogyne bifida Hillebr. STBI3twocleft stenogyne · Lamiaceae
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Stenogyne calaminthoides A. Gray STCA9bog stenogyne · Lamiaceae -
Stenogyne calycosa Sherff STCA10Maui stenogyne · Lamiaceae -
Stenogyne campanulata Weller & Sakai STCA12Kalalau Valley stenogyne · Lamiaceae - Stenogyne cinerea Hillebr. STCI3Kula stenogyne · Lamiaceae
- Stenogyne cranwelliae Sherff STCR4Kohala Mountain stenogyne · Lamiaceae
- Stenogyne haliakalae Wawra STHA2Haleakala stenogyne · Lamiaceae
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Stenogyne kaalae Wawra STKAKaala stenogyne · Lamiaceae -
Stenogyne kanehoana O. Deg. & Sherff STKA3Oahu stenogyne · Lamiaceae -
Stenogyne kauaulaensis K.R. Wood & H. Oppenh. STKA4Lamiaceae - Stenogyne macrantha Benth. STMA3Hawai'i stenogyne · Lamiaceae
- Stenogyne oxygona O. Deg. & Sherff STOXjeweled stenogyne · Lamiaceae
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Stenogyne purpurea H. Mann STPU4purplefruit stenogyne · Lamiaceae -
Stenogyne rotundifolia A. Gray STRO2pua'ainaka · Lamiaceae -
Stenogyne scrophularioides Benth. STSC4mohihi · Lamiaceae - Stenogyne viridis Hillebr. STVI7Kaanapali stenogyne · Lamiaceae
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Stephanandra incisa (Thunb.) Zabel STIN12laceshrub · Rosaceae -
Stephanomeria blairii Munz & I.M. Johnst. STBL2Blair's wirelettuce · Asteraceae - Stephanomeria malheurensis Gottlieb STMA5Malheur wirelettuce · Asteraceae
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Stephanomeria minor (Hook.) Nutt. var. uintaensis (Goodrich & S.L. Welsh) Kartesz STMIU2Uinta wirelettuce · Asteraceae -
Stephanomeria schottii A. Gray STSC5Schott's wirelettuce · Asteraceae -
Sternbergia lutea (L.) Ker Gawl. ex Spreng. STLU4winter daffodil · Liliaceae -
Stevia ovata Willd. STOV3roundleaf candyleaf · Asteraceae -
Stevia ovata Willd. var. texana Grashoff STOVTTexan candyleaf · Asteraceae -
Stevia plummerae A. Gray var. alba STPLAPlummer's candyleaf · Asteraceae