§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
Filter
Showing 951–1,000 of 1,404 (native).
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Platanus occidentalis L. Native PLOCAmerican sycamore · Platanaceae 3 counties -
Pluchea odorata (L.) Cass. Native PLODsweetscent · Asteraceae 4 counties - Pluchea odorata (L.) Cass. var. succulenta (Fernald) Cronquist Native PLODSsweetscent · Asteraceae 4 counties
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Poa palustris L. Native POPA2fowl bluegrass · Poaceae 3 counties -
Poa saltuensis Fernald & Wiegand Native POSAoldpasture bluegrass · Poaceae 1 county -
Podostemum ceratophyllum Michx. Native POCE3hornleaf riverweed · Podostemaceae 1 county -
Pogonia ophioglossoides (L.) Ker Gawl. Native POOPsnakemouth orchid · Orchidaceae 3 counties -
Polemonium reptans L. Native PORE2Greek valerian · Polemoniaceae 1 county - Polemonium reptans L. var. reptans Native PORERGreek valerian · Polemoniaceae 1 county
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Polygala cruciata L. Native POCRdrumheads · Polygalaceae 2 counties - Polygala cruciata L. var. aquilonia Fernald & B.G. Schub. Native POCRAdrumheads · Polygalaceae 2 counties
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Polygala nuttallii Torr. & A. Gray Native PONU2Nuttall's milkwort · Polygalaceae 3 counties -
Polygala paucifolia Willd. Native POPA5gaywings · Polygalaceae 1 county -
Polygala polygama Walter Native POPOracemed milkwort · Polygalaceae 5 counties -
Polygala sanguinea L. Native POSA3purple milkwort · Polygalaceae 5 counties -
Polygala verticillata L. Native POVEwhorled milkwort · Polygalaceae 3 counties -
Polygonatum pubescens (Willd.) Pursh Native POPU4hairy Solomon's seal · Liliaceae 4 counties -
Polygonella articulata (L.) Meisn. Native POAR4coastal jointweed · Polygonaceae 4 counties -
Polygonum amphibium L. Native POAM8water knotweed · Polygonaceae 1 county -
Polygonum arifolium L. Native POAR6halberdleaf tearthumb · Polygonaceae 3 counties -
Polygonum careyi Olney Native POCA8Carey's smartweed · Polygonaceae 3 counties -
Polygonum cilinode Michx. Native POCIfringed black bindweed · Polygonaceae 1 county -
Polygonum erectum L. Native POER2erect knotweed · Polygonaceae 3 counties -
Polygonum glaucum Nutt. Native POGL7seaside knotweed · Polygonaceae 1 county -
Polygonum hydropiperoides Michx. Native POHY2swamp smartweed · Polygonaceae 4 counties -
Polygonum lapathifolium L. Native POLA4curlytop knotweed · Polygonaceae 4 counties -
Polygonum pensylvanicum L. Native POPE2Pennsylvania smartweed · Polygonaceae 5 counties -
Polygonum punctatum Elliott Native POPU5dotted smartweed · Polygonaceae 4 counties -
Polygonum ramosissimum Michx. Native PORA3bushy knotweed · Polygonaceae 5 counties -
Polygonum robustius (Small) Fernald Native POROstout smartweed · Polygonaceae 2 counties -
Polygonum sagittatum L. Native POSA5arrowleaf tearthumb · Polygonaceae 4 counties -
Polygonum setaceum Baldw. Native POSE6bog smartweed · Polygonaceae 1 county -
Polygonum tenue Michx. Native POTE2pleatleaf knotweed · Polygonaceae 2 counties -
Polygonum virginianum L. Native POVI2jumpseed · Polygonaceae 2 counties -
Polypodium virginianum L. Native POVI7rock polypody · Polypodiaceae 3 counties - Polypodium ×incognitum Cusick [appalachianum × virginianum] Native POIN6Hybrid rock polypody · Polypodiaceae 4 counties
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Polystichum acrostichoides (Michx.) Schott Native POAC4Christmas fern · Dryopteridaceae 4 counties - Polystichum acrostichoides (Michx.) Schott var. acrostichoides Native POACAChristmas fern · Dryopteridaceae 4 counties
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Pontederia cordata L. Native POCO14pickerelweed · Pontederiaceae 4 counties -
Populus balsamifera L. Native POBA2balsam poplar · Salicaceae 1 county - Populus balsamifera L. ssp. balsamifera Native POBAB2balsam poplar · Salicaceae 1 county
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Populus deltoides W. Bartram ex Marshall Native PODE3eastern cottonwood · Salicaceae 3 counties - Populus deltoides W. Bartram ex Marshall ssp. deltoides Native PODEDeastern cottonwood · Salicaceae 3 counties
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Populus grandidentata Michx. Native POGR4bigtooth aspen · Salicaceae 5 counties -
Populus tremuloides Michx. Native POTR5quaking aspen · Salicaceae 5 counties - Populus ×jackii Sarg. [balsamifera × deltoides] Native POJA2balm-of-Gilead · Salicaceae 2 counties
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Potamogeton bicupulatus Fernald Native POBI9snailseed pondweed · Potamogetonaceae 5 counties -
Potamogeton confervoides Rchb. Native POCO12Tuckerman's pondweed · Potamogetonaceae 2 counties -
Potamogeton epihydrus Raf. Native POEP2ribbonleaf pondweed · Potamogetonaceae 5 counties -
Potamogeton foliosus Raf. Native POFO3leafy pondweed · Potamogetonaceae 1 county