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Subject Scientific Name Images
Canada thistle Cirsium arvense 3
common St. Johnswort Hypericum perforatum 9
diffuse knapweed Centaurea diffusa 2
field bindweed Convolvulus arvensis 3
horned spurge Euphorbia brachycera 1
leafy spurge Euphorbia esula 13
musk thistle Carduus nutans 16
purple loosestrife Lythrum salicaria 4
Russian knapweed Rhaponticum repens 4
Scotch thistle Onopordum acanthium 5
spotted knapweed Centaurea stoebe ssp. micranthos 5
yellow starthistle Centaurea solstitialis 1

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