§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 1,401–1,450 of 1,877.
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Quercus velutina Lam. Native QUVEblack oak · Fagaceae 5 counties -
Ranunculus abortivus L. Native RAABlittleleaf buttercup · Ranunculaceae 4 counties -
Ranunculus acris L. Both RAAC3tall buttercup · Ranunculaceae 3 counties - Ranunculus acris L. var. acris Introduced RAACA3showy buttercup · Ranunculaceae 3 counties
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Ranunculus allegheniensis Britton Native RAAL2Allegheny Mountain buttercup · Ranunculaceae 1 county -
Ranunculus ambigens S. Watson Native RAAMwaterplantain spearwort · Ranunculaceae 1 county -
Ranunculus bulbosus L. Introduced RABUSt. Anthony's turnip · Ranunculaceae 4 counties -
Ranunculus cymbalaria Pursh Native RACYalkali buttercup · Ranunculaceae 4 counties -
Ranunculus ficaria L. Introduced RAFIfig buttercup · Ranunculaceae 1 county - Ranunculus ficaria L. var. bulbifera Marsden-Jones Introduced RAFIBfig buttercup · Ranunculaceae 1 county
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Ranunculus flabellaris Raf. Native RAFLyellow water buttercup · Ranunculaceae 2 counties -
Ranunculus hispidus Michx. Native RAHIbristly buttercup · Ranunculaceae 1 county - Ranunculus hispidus Michx. var. hispidus Native RAHIHbristly buttercup · Ranunculaceae 1 county
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Ranunculus micranthus Nutt. Native RAMI2rock buttercup · Ranunculaceae 1 county -
Ranunculus pensylvanicus L. f. Native RAPE2Pennsylvania buttercup · Ranunculaceae 1 county -
Ranunculus recurvatus Poir. Native RARE2blisterwort · Ranunculaceae 3 counties - Ranunculus recurvatus Poir. var. recurvatus Native RARER2blisterwort · Ranunculaceae 3 counties
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Ranunculus repens L. Introduced RARE3creeping buttercup · Ranunculaceae 3 counties -
Ranunculus sceleratus L. Native RASC3cursed buttercup · Ranunculaceae 2 counties - Ranunculus sceleratus L. var. sceleratus Native RASCScursed buttercup · Ranunculaceae 2 counties
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Ranunculus trichophyllus Chaix Native RATRthreadleaf crowfoot · Ranunculaceae 1 county - Ranunculus trichophyllus Chaix var. trichophyllus Native RATRTthreadleaf crowfoot · Ranunculaceae 1 county
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Raphanus raphanistrum L. Introduced RARA2wild radish · Brassicaceae 5 counties - Raphanus sativus L. Introduced RASA2cultivated radish · Brassicaceae 2 counties
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Reseda lutea L. Introduced RELUyellow mignonette · Resedaceae 1 county -
Rhamnus cathartica L. Introduced RHCA3common buckthorn · Rhamnaceae 3 counties -
Rhexia virginica L. Native RHVIhandsome Harry · Melastomataceae 4 counties -
Rhododendron canadense (L.) Torr. Native RHCA6rhodora · Ericaceae 2 counties -
Rhododendron maximum L. Native RHMA4great laurel · Ericaceae 2 counties -
Rhododendron periclymenoides (Michx.) Shinners Native RHPE4pink azalea · Ericaceae 3 counties -
Rhododendron viscosum (L.) Torr. Native RHVI2swamp azalea · Ericaceae 4 counties -
Rhus copallinum L. Native RHCOwinged sumac · Anacardiaceae 4 counties - Rhus copallinum L. var. latifolia Engl. Native RHCOL2winged sumac · Anacardiaceae 4 counties
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Rhus glabra L. Native RHGLsmooth sumac · Anacardiaceae 5 counties -
Rhus typhina L. Native RHTYstaghorn sumac · Anacardiaceae 2 counties -
Rhynchospora alba (L.) Vahl Native RHAL3white beaksedge · Cyperaceae 4 counties -
Rhynchospora capitellata (Michx.) Vahl Native RHCA12brownish beaksedge · Cyperaceae 3 counties -
Rhynchospora fusca (L.) W.T. Aiton Native RHFUbrown beaksedge · Cyperaceae 3 counties -
Rhynchospora inundata (Oakes) Fernald Native RHIN7narrowfruit horned beaksedge · Cyperaceae 1 county -
Rhynchospora macrostachya Torr. ex A. Gray Native RHMA6tall horned beaksedge · Cyperaceae 3 counties -
Rhynchospora scirpoides (Torr.) A. Gray Native RHSC5longbeak beaksedge · Cyperaceae 1 county -
Rhynchospora torreyana A. Gray Native RHTO4Torrey's beaksedge · Cyperaceae 1 county -
Ribes americanum Mill. Native RIAM2American black currant · Grossulariaceae 1 county -
Ribes hirtellum Michx. Native RIHIhairystem gooseberry · Grossulariaceae 3 counties -
Ribes rubrum L. Introduced RIRU80cultivated currant · Grossulariaceae 3 counties -
Ribes triste Pall. Native RITRred currant · Grossulariaceae 1 county -
Robinia hispida L. Native ROHIbristly locust · Fabaceae 3 counties -
Robinia pseudoacacia L. Native ROPSblack locust · Fabaceae 4 counties -
Robinia viscosa Vent. Native ROVIclammy locust · Fabaceae 3 counties - Robinia viscosa Vent. var. viscosa Native ROVIVclammy locust · Fabaceae 3 counties