knapweed Definition

brown, loosestrife, purple loosestrife, cheatgrass, knotweed, pigweed, henbit, ragwort, bull thistle, nutsedge, toadflax, garlic mustard, chickweed, horseweed, forbs, hogweed, milfoil, smartweed, ryegrass, bindweed, leafy spurge, musk thistle, tamarisk, buckthorn, kochia, sericea lespedeza, wild parsnip, barberry, blister rust, crown vetch, adelgid, whitetop, tansy ragwort, whiteflies, apple maggot, budworm, bush honeysuckle, hoary cress, sawfly, phragmites, reed canary grass, aphid, flea beetle, swallow wort, lodgepole, understory, spider mite, tansy, nematodes, scotch broom, bitterbrush, bunchgrass, fireweed, downy mildew, bark beetle, webworms, vetch, mealybugs, leafhoppers, gypsy moth, foxtail, woolly adelgid, thistles, weevils, cutworm, pondweed, anthracnose, pokeweed, japanese barberry, beetle, powdery mildew, johnsongrass, spartina, rust fungus, lodgepole pine, honeysuckles, wireworms, goldenrods, highbush cranberry, multiflora rose, jack pine, scotch thistle, bollworms, africanized bee, phytophthora, orange hawkweed, sweet clover, oriental bittersweet, hoary alyssum, poison sumac, potato beetle, fall webworm, clover, snowberry, downy brome, ironweed, yellowjacket, cow parsnip, viburnum, clubroot,