§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 1,877.
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Onosmodium virginianum (L.) A. DC. Native ONVI2wild Job's tears · Boraginaceae 1 county -
Ophioglossum pusillum Raf. Native OPPU3northern adderstongue · Ophioglossaceae 1 county -
Ornithogalum umbellatum L. Introduced ORUMstar of Bethlehem · Liliaceae 4 counties -
Orobanche uniflora L. Native ORUNoneflowered broomrape · Orobanchaceae 4 counties -
Orontium aquaticum L. Native ORAQgoldenclub · Araceae 1 county -
Orthilia secunda (L.) House Native ORSEsidebells wintergreen · Pyrolaceae 1 county -
Oryzopsis asperifolia Michx. Native ORASroughleaf ricegrass · Poaceae 1 county -
Osmorhiza claytonii (Michx.) C.B. Clarke Native OSCLClayton's sweetroot · Apiaceae 2 counties -
Osmorhiza longistylis (Torr.) DC. Native OSLOlongstyle sweetroot · Apiaceae 3 counties -
Osmunda cinnamomea L. Native OSCIcinnamon fern · Osmundaceae 4 counties -
Osmunda claytoniana L. Native OSCL2interrupted fern · Osmundaceae 5 counties -
Osmunda regalis L. Native OSREroyal fern · Osmundaceae 4 counties - Osmunda regalis L. var. spectabilis (Willd.) A. Gray Native OSRESroyal fern · Osmundaceae 4 counties
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Ostrya virginiana (Mill.) K. Koch Native OSVIhophornbeam · Betulaceae 4 counties -
Oxalis stricta L. Native OXSTcommon yellow oxalis · Oxalidaceae 5 counties -
Packera aurea (L.) Á. Löve & D. Löve Native PAAU3golden ragwort · Asteraceae 3 counties -
Panax trifolius L. Native PATR2dwarf ginseng · Araliaceae 4 counties -
Panicum capillare L. Native PACA6witchgrass · Poaceae 3 counties -
Panicum dichotomiflorum Michx. Native PADIfall panicgrass · Poaceae 4 counties -
Panicum miliaceum L. Introduced PAMI2proso millet · Poaceae 2 counties - Panicum miliaceum L. ssp. miliaceum Introduced PAMIMbroomcorn millet · Poaceae 2 counties
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Panicum philadelphicum Bernh. ex Trin. Native PAPHPhiladelphia panicgrass · Poaceae 2 counties -
Panicum rigidulum Bosc ex Nees Native PARI4redtop panicgrass · Poaceae 4 counties - Panicum rigidulum Bosc ex Nees var. pubescens (Vasey) Lelong Native PARIPredtop panicgrass · Poaceae 1 county
- Panicum rigidulum Bosc ex Nees var. rigidulum Native PARIRredtop panicgrass · Poaceae 4 counties
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Panicum verrucosum Muhl. Native PAVE2warty panicgrass · Poaceae 2 counties -
Panicum virgatum L. Native PAVI2switchgrass · Poaceae 5 counties -
Papaver dubium L. Introduced PADUblindeyes · Papaveraceae 1 county -
Papaver somniferum L. Introduced PASO2opium poppy · Papaveraceae 1 county -
Parnassia glauca Raf. Native PAGL3fen grass of Parnassus · Saxifragaceae 2 counties -
Paronychia canadensis (L.) Alph. Wood Native PACA11smooth forked nailwort · Caryophyllaceae 3 counties -
Parthenocissus quinquefolia (L.) Planch. Native PAQU2Virginia creeper · Vitaceae 5 counties -
Parthenocissus vitacea (Knerr) Hitchc. Native PAVI5woodbine · Vitaceae 2 counties -
Paspalum setaceum Michx. Native PASE5thin paspalum · Poaceae 4 counties -
Pastinaca sativa L. Introduced PASA2wild parsnip · Apiaceae 1 county -
Patis racemosa (Sm.) Romasch., P.M. Peterson & R. J. Soreng Native PARA2blackseed ricegrass · Poaceae 1 county -
Pedicularis canadensis L. Native PECACanadian lousewort · Scrophulariaceae 3 counties - Pedicularis canadensis L. ssp. canadensis Native PECAC3Canadian lousewort · Scrophulariaceae 3 counties
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Pellaea atropurpurea (L.) Link Native PEAT2purple cliffbrake · Pteridaceae 1 county -
Peltandra virginica (L.) Schott Native PEVIgreen arrow arum · Araceae 3 counties -
Pennisetum glaucum (L.) R. Br. Introduced PEGL2pearl millet · Poaceae 3 counties -
Penstemon calycosus Small Native PECA7longsepal beardtongue · Scrophulariaceae 1 county -
Penstemon digitalis Nutt. ex Sims Native PEDIfoxglove beardtongue · Scrophulariaceae 1 county -
Penstemon hirsutus (L.) Willd. Native PEHIhairy beardtongue · Scrophulariaceae 1 county -
Penstemon pallidus Small Native PEPA7pale beardtongue · Scrophulariaceae 2 counties -
Penthorum sedoides L. Native PESE6ditch stonecrop · Crassulaceae 2 counties -
Periploca graeca L. Introduced PEGR9silkvine · Asclepiadaceae 1 county -
Petroselinum crispum (Mill.) Nyman ex A.W. Hill Introduced PECR2parsley · Apiaceae 1 county -
Petunia axillaris (Lam.) Britton, Sterns & Poggenb. Introduced PEAXlarge white petunia · Solanaceae 1 county -
Phacelia purshii Buckley Native PHPU3Miami mist · Hydrophyllaceae 1 county