§1State listing — Northeast
Rhode Island
a regional flora of 5 counties
- State code
- RI · FIPS 44
- Taxa recorded
- 1,877
- Counties
- 5
§2Counties
Drill down to a county
§3Catalogue
All taxa recorded in Rhode Island
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Showing 1,651–1,700 of 1,877.
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Spergularia rubra (L.) J. Presl & C. Presl Introduced SPRUred sandspurry · Caryophyllaceae 3 counties -
Spergularia salina J. Presl & C. Presl Native SPSA5salt sandspurry · Caryophyllaceae 5 counties -
Sphenopholis intermedia (Rydb.) Rydb. Native SPIN3slender wedgescale · Poaceae 1 county -
Sphenopholis nitida (Biehler) Scribn. Native SPNIshiny wedgescale · Poaceae 2 counties -
Sphenopholis obtusata (Michx.) Scribn. Native SPOBprairie wedgescale · Poaceae 1 county -
Sphenopholis pensylvanica (L.) Hitchc. Native SPPE3swamp wedgescale · Poaceae 1 county -
Spinacia oleracea L. Introduced SPOLspinach · Chenopodiaceae 1 county -
Spiraea alba Du Roi Native SPAL2white meadowsweet · Rosaceae 5 counties - Spiraea alba Du Roi var. latifolia (Aiton) Dippel Native SPALLwhite meadowsweet · Rosaceae 5 counties
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Spiraea japonica L. f. Introduced SPJAJapanese meadowsweet · Rosaceae 1 county - Spiraea japonica L. f. var. fortunei (Planch.) Rehder Introduced SPJAFfortune meadowsweet · Rosaceae 1 county
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Spiraea tomentosa L. Native SPTO2steeplebush · Rosaceae 4 counties -
Spiranthes cernua (L.) Rich. Native SPCEnodding lady's tresses · Orchidaceae 4 counties -
Spiranthes lacera (Raf.) Raf. Native SPLA4northern slender lady's tresses · Orchidaceae 3 counties -
Spiranthes lucida (H.H. Eaton) Ames Native SPLU2shining lady's tresses · Orchidaceae 1 county -
Spiranthes tuberosa Raf. Native SPTUlittle lady's tresses · Orchidaceae 4 counties -
Spiranthes vernalis Engelm. & A. Gray Native SPVEspring lady's tresses · Orchidaceae 4 counties -
Spirodela polyrrhiza (L.) Schleid. Native SPPOcommon duckmeat · Lemnaceae 3 counties -
Sporobolus compositus (Poir.) Merr. Native SPCO16composite dropseed · Poaceae 2 counties - Sporobolus compositus (Poir.) Merr. var. compositus Native SPCOC2composite dropseed · Poaceae 2 counties
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Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood Native SPVApoverty dropseed · Poaceae 2 counties - Sporobolus vaginiflorus (Torr. ex A. Gray) Alph. Wood var. vaginiflorus Native SPVAV2poverty dropseed · Poaceae 2 counties
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Stachys annua (L.) L. Introduced STANannual hedgenettle · Lamiaceae 1 county -
Stachys hyssopifolia Michx. Native STHY3hyssopleaf hedgenettle · Lamiaceae 2 counties -
Stachys palustris L. Native STPAmarsh hedgenettle · Lamiaceae 2 counties -
Stachys tenuifolia Willd. Native STTEsmooth hedgenettle · Lamiaceae 3 counties -
Stellaria graminea L. Introduced STGRgrass-like starwort · Caryophyllaceae 3 counties -
Stellaria longifolia Muhl. ex Willd. Native STLOlongleaf starwort · Caryophyllaceae 1 county - Stellaria longifolia Muhl. ex Willd. var. longifolia Native STLOLlongleaf starwort · Caryophyllaceae 1 county
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Stellaria media (L.) Vill. Introduced STME2common chickweed · Caryophyllaceae 3 counties - Stellaria media (L.) Vill. ssp. media Introduced STMEMcommon chickweed · Caryophyllaceae 3 counties
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Streptopus lanceolatus (Aiton) Reveal Native STLA16twistedstalk · Liliaceae 1 county - Streptopus lanceolatus (Aiton) Reveal var. roseus (Michx.) Reveal Native STLARtwistedstalk · Liliaceae 1 county
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Strophostyles helvola (L.) Elliott Native STHE9amberique-bean · Fabaceae 5 counties -
Strophostyles umbellata (Muhl. ex Willd.) Britton Native STUM2pink fuzzybean · Fabaceae 1 county -
Stuckenia pectinata (L.) Börner Native STPE15sago pondweed · Potamogetonaceae 2 counties -
Suaeda linearis (Elliott) Moq. Native SULIannual seepweed · Chenopodiaceae 4 counties -
Suaeda maritima (L.) Dumort. Both SUMAherbaceous seepweed · Chenopodiaceae 3 counties - Suaeda maritima (L.) Dumort. ssp. maritima Introduced SUMAMherbaceous seepweed · Chenopodiaceae 3 counties
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Symphoricarpos albus (L.) S.F. Blake Native SYALcommon snowberry · Caprifoliaceae 1 county - Symphoricarpos albus (L.) S.F. Blake var. laevigatus (Fernald) S.F. Blake Native SYALLcommon snowberry · Caprifoliaceae 1 county
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Symphoricarpos orbiculatus Moench Native SYORcoralberry · Caprifoliaceae 1 county -
Symphyotrichum concolor (L.) G.L. Nesom Native SYCO3eastern silver aster · Asteraceae 1 county -
Symphyotrichum dumosum (L.) G.L. Nesom Native SYDU2rice button aster · Asteraceae 3 counties - Symphyotrichum dumosum (L.) G.L. Nesom var. dumosum Native SYDUD2rice button aster · Asteraceae 1 county
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Symphyotrichum ericoides (L.) G.L. Nesom Native SYERwhite heath aster · Asteraceae 5 counties -
Symphyotrichum laeve (L.) Á. Löve & D. Löve Native SYLA3smooth blue aster · Asteraceae 2 counties - Symphyotrichum laeve (L.) Á. Löve & D. Löve var. laeve Native SYLAL3smooth blue aster · Asteraceae 2 counties
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Symphyotrichum lanceolatum (Willd.) G.L. Nesom Native SYLA6white panicle aster · Asteraceae 2 counties - Symphyotrichum lanceolatum (Willd.) G.L. Nesom ssp. lanceolatum Native SYLAL6white panicle aster · Asteraceae 2 counties