Index / States / District of Columbia
§1State listing — Mid-Atlantic
District of Columbia
a regional flora of 1 counties
- State code
- DC · FIPS 11
- Taxa recorded
- 2,368
- Counties
- 1
§2Counties
Drill down to a county
§3Catalogue
All taxa recorded in District of Columbia
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Showing 1,601–1,650 of 2,368.
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Polygala curtissii A. Gray Native POCU5Curtiss' milkwort · Polygalaceae 1 county -
Polygala incarnata L. Native POIN4procession flower · Polygalaceae 1 county -
Polygala mariana Mill. Native POMA8Maryland milkwort · Polygalaceae 1 county -
Polygala sanguinea L. Native POSA3purple milkwort · Polygalaceae 1 county -
Polygala senega L. Native POSE3Seneca snakeroot · Polygalaceae 1 county -
Polygala verticillata L. Native POVEwhorled milkwort · Polygalaceae 1 county - Polygala verticillata L. var. isocycla Fernald Native POVEIwhorled milkwort · Polygalaceae 1 county
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Polygonatum biflorum (Walter) Elliott Native POBI2smooth Solomon's seal · Liliaceae 1 county - Polygonatum biflorum (Walter) Elliott var. commutatum (Schult. & Schult. f.) Morong Native POBICsmooth Solomon's seal · Liliaceae 1 county
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Polygonum amphibium L. Native POAM8water knotweed · Polygonaceae 1 county - Polygonum amphibium L. var. emersum Michx. Native POAMElongroot smartweed · Polygonaceae 1 county
- Polygonum amphibium L. var. stipulaceum Coleman Native POAMSwater smartweed · Polygonaceae 1 county
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Polygonum arifolium L. Native POAR6halberdleaf tearthumb · Polygonaceae 1 county -
Polygonum aviculare L. Introduced POAVprostrate knotweed · Polygonaceae 1 county -
Polygonum bellardii All. Introduced POBEnarrowleaf knotweed · Polygonaceae 1 county -
Polygonum buxiforme Small Native POBU2box knotweed · Polygonaceae 1 county -
Polygonum cespitosum Blume var. longisetum (Bruijn) A.N. Steward Introduced POCELOriental lady's thumb · Polygonaceae 1 county - Polygonum cespitosum Blume, nom. inq. Introduced POCE4Oriental lady's thumb · Polygonaceae 1 county
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Polygonum convolvulus L. Introduced POCO10black bindweed · Polygonaceae 1 county - Polygonum convolvulus L. var. convolvulus Introduced POCOC2black bindweed · Polygonaceae 1 county
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Polygonum cuspidatum Siebold & Zucc. Introduced POCU6Japanese knotweed · Polygonaceae 1 county -
Polygonum erectum L. Native POER2erect knotweed · Polygonaceae 1 county -
Polygonum hydropiper L. Introduced POHYmarshpepper knotweed · Polygonaceae 1 county - Polygonum hydropiperoides Michx. Native POHY2swamp smartweed · Polygonaceae 1 county
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Polygonum lapathifolium L. Native POLA4curlytop knotweed · Polygonaceae 1 county -
Polygonum orientale L. Introduced POOR2kiss me over the garden gate · Polygonaceae 1 county -
Polygonum pensylvanicum L. Native POPE2Pennsylvania smartweed · Polygonaceae 1 county -
Polygonum perfoliatum L. Introduced POPE10Asiatic tearthumb · Polygonaceae 1 county - Polygonum persicaria L. Introduced POPE3spotted ladysthumb · Polygonaceae 1 county
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Polygonum punctatum Elliott Native POPU5dotted smartweed · Polygonaceae 1 county - Polygonum punctatum Elliott var. punctatum Native POPUP4dotted smartweed · Polygonaceae 1 county
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Polygonum ramosissimum Michx. Native PORA3bushy knotweed · Polygonaceae 1 county - Polygonum ramosissimum Michx. var. ramosissimum Native PORARbushy knotweed · Polygonaceae 1 county
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Polygonum sachalinense F. Schmidt ex Maxim. Introduced POSA4giant knotweed · Polygonaceae 1 county -
Polygonum sagittatum L. Native POSA5arrowleaf tearthumb · Polygonaceae 1 county -
Polygonum scandens L. Both POSC3climbing false buckwheat · Polygonaceae 1 county - Polygonum scandens L. var. scandens Native POSCSclimbing false buckwheat · Polygonaceae 1 county
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Polygonum tenue Michx. Native POTE2pleatleaf knotweed · Polygonaceae 1 county -
Polygonum virginianum L. Native POVI2jumpseed · Polygonaceae 1 county -
Polymnia canadensis L. Native POCA11whiteflower leafcup · Asteraceae 1 county -
Polypodium appalachianum Haufler & Windham Native POAPAppalachian polypody · Polypodiaceae 1 county -
Polypodium virginianum L. Native POVI7rock polypody · Polypodiaceae 1 county -
Polypremum procumbens L. Native POPR4juniper leaf · Buddlejaceae 1 county -
Polystichum acrostichoides (Michx.) Schott Native POAC4Christmas fern · Dryopteridaceae 1 county - Polystichum acrostichoides (Michx.) Schott var. acrostichoides Native POACAChristmas fern · Dryopteridaceae 1 county
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Pontederia cordata L. Native POCO14pickerelweed · Pontederiaceae 1 county -
Populus alba L. Introduced POAL7white poplar · Salicaceae 1 county -
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 1 county