Noxious Weeds

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Families: 11
Genera: 15
Species: 16
Total Taxa: 16

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Image source: all images linked voucher images only

Acroptilon repens
Russian knapweed
Ailanthus altissima
Tree-of-Heaven
Arundo donax
Giant-Reed
Bromus tectorum
Cheat Grass
Carduus nutans
Nodding Plumeless-Thistle
Centaurea solstitialis
Yellow Star-Thistle
Centaurea stoebe
Spotted Knapweed
Cirsium arvense
Canadian Thistle
Conium maculatum
Poison-Hemlock
Euphorbia esula
Leafy Spurge
Linaria dalmatica
Dalmatian Toadflax
Peganum harmala
African-Rue
Tamarix sp.
tamarisk
Tamarix ramosissima
Five-Stamen Tamarisk
Ulmus pumila
Siberian Elm