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 351–400 of 580 (introduced).
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Oenanthe pimpinelloides L. Introduced OEPIcorkyfruit waterdropwort · Apiaceae 1 county -
Onopordum acanthium L. Introduced ONACScotch cottonthistle · Asteraceae 1 county -
Ornithogalum nutans L. Introduced ORNUdrooping star of Bethlehem · Liliaceae 1 county -
Ornithogalum umbellatum L. Introduced ORUMstar of Bethlehem · Liliaceae 1 county -
Orobanche minor Sm. Introduced ORMIhellroot · Orobanchaceae 1 county -
Pachysandra terminalis Siebold & Zucc. Introduced PATE11Japanese pachysandra · Buxaceae 1 county -
Panicum miliaceum L. Introduced PAMI2proso millet · Poaceae 1 county - Panicum miliaceum L. ssp. miliaceum Introduced PAMIMbroomcorn millet · Poaceae 1 county
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Papaver dubium L. Introduced PADUblindeyes · Papaveraceae 1 county -
Papaver rhoeas L. Introduced PARH2corn poppy · Papaveraceae 1 county -
Parthenium hysterophorus L. Introduced PAHYSanta Maria feverfew · Asteraceae 1 county -
Parthenocissus tricuspidata (Siebold & Zucc.) Planch. Introduced PATR6Boston ivy · Vitaceae 1 county -
Paspalum dilatatum Poir. Introduced PADI3dallisgrass · Poaceae 1 county -
Pastinaca sativa L. Introduced PASA2wild parsnip · Apiaceae 1 county -
Paulownia tomentosa (Thunb.) Siebold & Zucc. ex Steud. Introduced PATO2princesstree · Scrophulariaceae 1 county -
Pennisetum glaucum (L.) R. Br. Introduced PEGL2pearl millet · Poaceae 1 county -
Perilla frutescens (L.) Britton Introduced PEFR4beefsteakplant · Lamiaceae 1 county - Perilla frutescens (L.) Britton var. frutescens Introduced PEFRF2beefsteakplant · Lamiaceae 1 county
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Petrorhagia saxifraga (L.) Link Introduced PESA9saxifrage pink · Caryophyllaceae 1 county -
Petunia axillaris (Lam.) Britton, Sterns & Poggenb. Introduced PEAXlarge white petunia · Solanaceae 1 county -
Phalaris aquatica L. Introduced PHAQbulbous canarygrass · Poaceae 1 county -
Phalaris canariensis L. Introduced PHCA5annual canarygrass · Poaceae 1 county -
Phaseolus vulgaris L. Introduced PHVUkidney bean · Fabaceae 1 county -
Phleum pratense L. Introduced PHPR3timothy · Poaceae 1 county -
Photinia villosa (Thunb.) DC. Introduced PHVI81Oriental photinia · Rosaceae 1 county -
Physalis philadelphica Lam. Introduced PHPH2Mexican groundcherry · Solanaceae 1 county - Physalis philadelphica Lam. var. immaculata Waterf. Introduced PHPHIMexican groundcherry · Solanaceae 1 county
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Picris echioides L. Introduced PIECbristly oxtongue · Asteraceae 1 county -
Pinellia ternata (Thunb.) Makino ex Breitenbach Introduced PITEcrowdipper · Araceae 1 county -
Plantago lanceolata L. Introduced PLLAnarrowleaf plantain · Plantaginaceae 1 county -
Plantago major L. Introduced PLMA2common plantain · Plantaginaceae 1 county -
Poa annua L. Introduced POANannual bluegrass · Poaceae 1 county -
Poa compressa L. Introduced POCOCanada bluegrass · Poaceae 1 county -
Poa pratensis L. ssp. pratensis Introduced POPRP2Kentucky bluegrass · Poaceae 1 county -
Poa trivialis L. Introduced POTR2rough bluegrass · Poaceae 1 county -
Polygonum aviculare L. Introduced POAVprostrate knotweed · Polygonaceae 1 county -
Polygonum bellardii All. Introduced POBEnarrowleaf 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 hydropiper L. Introduced POHYmarshpepper knotweed · Polygonaceae 1 county -
Polygonum orientale L. Introduced POOR2kiss me over the garden gate · Polygonaceae 1 county -
Polygonum perfoliatum L. Introduced POPE10Asiatic tearthumb · Polygonaceae 1 county -
Polygonum persicaria L. Introduced POPE3spotted ladysthumb · Polygonaceae 1 county -
Polygonum sachalinense F. Schmidt ex Maxim. Introduced POSA4giant knotweed · Polygonaceae 1 county -
Populus alba L. Introduced POAL7white poplar · Salicaceae 1 county -
Populus nigra L. Introduced PONILombardy poplar · Salicaceae 1 county - Populus ×canescens (Aiton) Sm. (pro sp.) [alba × tremula] Introduced POCA14gray poplar · Salicaceae 1 county