Washington County

Showing 1–36 of 36 (introduced).

• 
  Allium vineale L. Introduced ALVI

  wild garlic · Liliaceae
• 
  Allium vineale L. ssp. vineale Introduced ALVIV

  wild garlic · Liliaceae
• 
  Asparagus officinalis L. Introduced ASOF

  garden asparagus · Liliaceae
• 
  Bromus arvensis L. Introduced BRAR5

  field brome · Poaceae
• 
  Commelina communis L. Introduced COCO3

  Asiatic dayflower · Commelinaceae
• 
  Dactylis glomerata L. Introduced DAGL

  orchardgrass · Poaceae
• 
  Dactylis glomerata L. ssp. glomerata Introduced DAGLG

  orchardgrass · Poaceae
• 
  Digitaria sanguinalis (L.) Scop. Introduced DISA

  hairy crabgrass · Poaceae
• 
  Dioscorea oppositifolia L. Introduced DIOP

  Chinese yam · Dioscoreaceae
• 
  Echinochloa crus-galli (L.) P. Beauv. Introduced ECCR

  barnyardgrass · Poaceae
• 
  Eleusine indica (L.) Gaertn. Introduced ELIN3

  Indian goosegrass · Poaceae
• 
  Euonymus alatus (Thunb.) Siebold Introduced EUAL13

  burningbush · Celastraceae
• 
  Euonymus fortunei (Turcz.) Hand.-Maz. Introduced EUFO5

  winter creeper · Celastraceae
• 
  Hedera helix L. Introduced HEHE

  English ivy · Araliaceae
• 
  Hemerocallis fulva (L.) L. Introduced HEFU

  orange daylily · Liliaceae
• 
  Hesperis matronalis L. Introduced HEMA3

  dames rocket · Brassicaceae
• 
  Lamium purpureum L. Introduced LAPU2

  purple deadnettle · Lamiaceae
• 
  Lepidium campestre (L.) W.T. Aiton Introduced LECA5

  field pepperweed · Brassicaceae
• 
  Leucanthemum vulgare Lam. Introduced LEVU

  oxeye daisy · Asteraceae
• 
  Lonicera japonica Thunb. Introduced LOJA

  Japanese honeysuckle · Caprifoliaceae
• 
  Lysimachia nummularia L. Introduced LYNU

  creeping jenny · Primulaceae
• 
  Matricaria discoidea DC. Introduced MADI6

  disc mayweed · Asteraceae
• 
  Melilotus officinalis (L.) Lam. Introduced MEOF

  sweetclover · Fabaceae
• 
  Microstegium vimineum (Trin.) A. Camus Introduced MIVI

  Nepalese browntop · Poaceae
• 
  Pennisetum glaucum (L.) R. Br. Introduced PEGL2

  pearl millet · Poaceae
• 
  Plantago lanceolata L. Introduced PLLA

  narrowleaf plantain · Plantaginaceae
• 
  Populus alba L. Introduced POAL7

  white poplar · Salicaceae
• 
  Rorippa sylvestris (L.) Besser Introduced ROSY

  creeping yellowcress · Brassicaceae
• 
  Rosa multiflora Thunb. Introduced ROMU

  multiflora rose · Rosaceae
• 
  Rumex crispus L. Introduced RUCR

  curly dock · Polygonaceae
• 
  Rumex crispus L. ssp. crispus Introduced RUCRC

  curly dock · Polygonaceae
• 
  Setaria faberi Herrm. Introduced SEFA

  Japanese bristlegrass · Poaceae
• 
  Setaria pumila (Poir.) Roem. & Schult. Introduced SEPU8

  yellow foxtail · Poaceae
• 
  Sorghum halepense (L.) Pers. Introduced SOHA

  Johnsongrass · Poaceae
• 
  Thlaspi alliaceum L. Introduced THAL2

  roadside pennycress · Brassicaceae
• 
  Verbascum thapsus L. Introduced VETH

  common mullein · Scrophulariaceae