§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 1,151–1,200 of 1,404 (native).
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Sambucus racemosa L. var. racemosa Native SARAR3red elderberry · Caprifoliaceae 1 county -
Samolus valerandi L. ssp. parviflorus (Raf.) Hultén Native SAVAPseaside brookweed · Primulaceae 2 counties -
Sanguinaria canadensis L. Native SACA13bloodroot · Papaveraceae 2 counties -
Sanicula marilandica L. Native SAMA2Maryland sanicle · Apiaceae 3 counties -
Sarracenia purpurea L. Native SAPU4purple pitcherplant · Sarraceniaceae 3 counties - Sarracenia purpurea L. ssp. purpurea var. purpurea Native SAPUP6northern purple pitcherplant · Sarraceniaceae 3 counties
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Sassafras albidum (Nutt.) Nees Native SAAL5sassafras · Lauraceae 5 counties -
Saururus cernuus L. Native SACElizard's tail · Saururaceae 1 county -
Saxifraga pensylvanica L. Native SAPE8eastern swamp saxifrage · Saxifragaceae 1 county -
Saxifraga virginiensis Michx. Native SAVI5early saxifrage · Saxifragaceae 3 counties - Saxifraga virginiensis Michx. var. virginiensis Native SAVIVearly saxifrage · Saxifragaceae 3 counties
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Schizachyrium scoparium (Michx.) Nash Native SCSClittle bluestem · Poaceae 3 counties - Schizachyrium scoparium (Michx.) Nash var. scoparium Native SCSCSlittle bluestem · Poaceae 3 counties
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Schoenoplectiella smithii (A. Gray) Hayas. Native SCSM3Smith's bulrush · Cyperaceae 3 counties -
Schoenoplectus americanus (Pers.) Volkart ex Schinz & R. Keller Native SCAM6chairmaker's bulrush · Cyperaceae 5 counties -
Schoenoplectus tabernaemontani (C.C. Gmel.) Palla Native SCTA2softstem bulrush · Cyperaceae 4 counties -
Schoenoplectus torreyi (Olney) Palla Native SCTO3Torrey's bulrush · Cyperaceae 1 county -
Scirpus atrovirens Willd. Native SCAT2green bulrush · Cyperaceae 4 counties -
Scirpus cyperinus (L.) Kunth Native SCCYwoolgrass · Cyperaceae 4 counties -
Scirpus expansus Fernald Native SCEXwoodland bulrush · Cyperaceae 2 counties - Scirpus ×peckii Britton (pro sp.) [atrocinctus × atrovirens × pedicellatus] Native SCPE2bulrush · Cyperaceae 1 county
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Scleria reticularis Michx. Native SCREnetted nutrush · Cyperaceae 2 counties -
Scleria triglomerata Michx. Native SCTRwhip nutrush · Cyperaceae 1 county -
Sclerolepis uniflora (Walter) Britton, Sterns & Poggenb. Native SCUN3pink bogbutton · Asteraceae 1 county -
Scrophularia lanceolata Pursh Native SCLAlanceleaf figwort · Scrophulariaceae 3 counties -
Scrophularia marilandica L. Native SCMA2carpenter's square · Scrophulariaceae 1 county -
Scrophularia nodosa L. Native SCNO2woodland figwort · Scrophulariaceae 1 county -
Scutellaria galericulata L. Native SCGAmarsh skullcap · Lamiaceae 3 counties -
Scutellaria lateriflora L. Native SCLA2blue skullcap · Lamiaceae 3 counties - Scutellaria lateriflora L. var. lateriflora Native SCLAL2blue skullcap · Lamiaceae 3 counties
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Selaginella apoda (L.) Spring Native SEAPmeadow spikemoss · Selaginellaceae 3 counties -
Selaginella rupestris (L.) Spring Native SERUnorthern selaginella · Selaginellaceae 2 counties -
Senna hebecarpa (Fernald) Irwin & Barneby Native SEHE3American senna · Fabaceae 3 counties -
Sericocarpus asteroides (L.) Britton, Sterns & Poggenb. Native SEAS3toothed whitetop aster · Asteraceae 3 counties -
Sericocarpus linifolius (L.) Britton, Sterns & Poggenb. Native SELI5narrowleaf whitetop aster · Asteraceae 3 counties -
Setaria parviflora (Poir.) Kerguélen Native SEPA10marsh bristlegrass · Poaceae 2 counties -
Sibbaldiopsis tridentata (Aiton) Rydb. Native SITR3shrubby fivefingers · Rosaceae 2 counties -
Sicyos angulatus L. Native SIANoneseed bur cucumber · Cucurbitaceae 2 counties -
Silene antirrhina L. Native SIAN2sleepy silene · Caryophyllaceae 4 counties -
Silene caroliniana Walter Native SICA6sticky catchfly · Caryophyllaceae 1 county - Silene caroliniana Walter ssp. pensylvanica (Michx.) R.T. Clausen Native SICAPPennsylvania catchfly · Caryophyllaceae 1 county
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Silene stellata (L.) W.T. Aiton Native SISTwidowsfrill · Caryophyllaceae 1 county -
Sisyrinchium angustifolium Mill. Native SIAN3narrowleaf blue-eyed grass · Iridaceae 3 counties -
Sisyrinchium atlanticum E.P. Bicknell Native SIATeastern blue-eyed grass · Iridaceae 5 counties -
Sisyrinchium montanum Greene Native SIMO2strict blue-eyed grass · Iridaceae 3 counties - Sisyrinchium montanum Greene var. crebrum Fernald Native SIMOCstrict blue-eyed grass · Iridaceae 3 counties
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Sium suave Walter Native SISU2hemlock waterparsnip · Apiaceae 4 counties -
Smilax glauca Walter Native SMGLcat greenbrier · Smilacaceae 5 counties -
Smilax herbacea L. Native SMHEsmooth carrionflower · Smilacaceae 4 counties -
Smilax rotundifolia L. Native SMROroundleaf greenbrier · Smilacaceae 5 counties