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Range and rarity
Rare (≤ 5 counties)
A broader rarity slice: taxa known from five counties or fewer nationwide. Includes single-county endemics plus the next-most-restricted species.
- Matching taxa
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Showing 7,801–7,850 of 9,281.
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Sagina maxima A. Gray ssp. maxima SAMAMstickystem pearlwort · Caryophyllaceae -
Sagina nodosa (L.) Fenzl ssp. borealis Crow SANOBknotted pearlwort · Caryophyllaceae -
Sagina nodosa (L.) Fenzl ssp. nodosa SANONknotted pearlwort · Caryophyllaceae -
Sagina subulata (Sw.) C. Presl SASU5awl-leaf pearlwort · Caryophyllaceae -
Sagittaria demersa J.G. Sm. SADE11Chihuahuan arrowhead · Alismataceae -
Sagittaria fasciculata E.O. Beal SAFA5bunched arrowhead · Alismataceae -
Sagittaria guayanensis Kunth SAGUGuyanese arrowhead · Alismataceae -
Sagittaria secundifolia Kral SASE9Little River arrowhead · Alismataceae -
Sairocarpus pusillus (Brandegee) D.A. Sutton SAPU18lesser snapdragon · Scrophulariaceae -
Sairocarpus subcordatus (A. Gray) D.A. Sutton SASU8dimorphic snapdragon · Scrophulariaceae -
Sairocarpus virga (A. Gray) D.A. Sutton SAVI8tall snapdragon · Scrophulariaceae -
Sairocarpus watsonii (Vasey & Rose) D.A. Sutton SAWA2Watson's snapdragon · Scrophulariaceae -
Salix arctophila Cockerell ex A. Heller SAAR6northern willow · Salicaceae -
Salix argyrocarpa Andersson SAAR7Labrador willow · Salicaceae -
Salix athabascensis Raup SAATAthabasca willow · Salicaceae -
Salix babylonica L. SABAweeping willow · Salicaceae -
Salix calcicola Fernald & Wiegand SACA37woolly willow · Salicaceae -
Salix delnortensis C.K. Schneid. SADE2Del Norte willow · Salicaceae -
Salix elaeagnos Scop. SAELElaeagnus willow · Salicaceae -
Salix farriae C.R. Ball SAFAFarr's willow · Salicaceae -
Salix herbacea L. SAHE2snowbed willow · Salicaceae -
Salix lasiolepis Benth. var. bigelovii (Torr.) Bebb SALABBigelow's willow · Salicaceae -
Salix maccalliana Rowlee SAMA12McCalla's willow · Salicaceae -
Salix nummularia Andersson SANU4barren ground willow · Salicaceae -
Salix ovalifolia Trautv. var. arctolitoralis (Hultén) Argus SAOVAarctic seashore willow · Salicaceae -
Salix ovalifolia Trautv. var. glacialis (Andersson) Argus SAOVGglacial willow · Salicaceae -
Salix reticulata L. ssp. reticulata SARERnetleaf willow · Salicaceae -
Salix sphenophylla Skvort. SASP2wedgeleaf willow · Salicaceae -
Salix tracyi C.R. Ball SATRTracy's willow · Salicaceae -
Salix vestita Pursh SAVErock willow · Salicaceae - Salix ×ehrhartiana Sm. (pro sp.) [alba × pentandra] SAEHhybrid willow · Salicaceae
- Salix ×rubella Bebb [candida × eriocephala] SARU2hybrid willow · Salicaceae
- Salix ×smithiana Willd. (pro sp.) [cinerea × viminalis] SASM2silky-leaf osier · Salicaceae
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Salsola soda L. SASO3oppositeleaf Russian thistle · Chenopodiaceae -
Salsola vermiculata L. SAVE6shrubby Russian thistle · Chenopodiaceae -
Saltugilia australis (H. Mason & A.D. Grant) L.A. Johnson SAAU11southern gilia · Polemoniaceae -
Saltugilia caruifolia (Abrams) L.A. Johnson SACA51carawayleaf gilia · Polemoniaceae -
Saltugilia latimeri T.L. Weese & L.A. Johnson SALA26saltugilia · Polemoniaceae -
Salvia amissa Epling SAAM5Santa Catalina Mountain sage · Lamiaceae -
Salvia argentea L. SAAR25silver sage · Lamiaceae -
Salvia arizonica A. Gray SAAR8desert indigo sage · Lamiaceae -
Salvia brandegeei Munz SABR3Santa Rosa Island sage · Lamiaceae -
Salvia clevelandii (A. Gray) Greene SACLfragrant sage · Lamiaceae -
Salvia columbariae Benth. var. argillacea S.L. Welsh & N.D. Atwood SACOA5chia · Lamiaceae -
Salvia dorrii (Kellogg) Abrams ssp. dorrii var. clokeyi Strachan SADOC5purple sage · Lamiaceae -
Salvia dorrii (Kellogg) Abrams ssp. mearnsii (Britton) E.M. McClint. SADOMpurple sage · Lamiaceae -
Salvia eremostachya Jeps. SAER2rose sage · Lamiaceae -
Salvia funerea M.E. Jones SAFU2woolly sage · Lamiaceae -
Salvia glutinosa L. SAGL12sticky sage · Lamiaceae -
Salvia greatae Brandegee SAGR3lavender sage · Lamiaceae