toadflax, highbush cranberry, hogweed, pokeweed, orange hawkweed, butternuts, webworms, whitetop, hoary cress, fall webworm, budworm, leafminer, poison sumac, hornworm, groundsel, amelanchier, flea beetle, cow parsnip, reed canary grass, bull thistle, siberian elm, oriental bittersweet, ragwort, snowberry, swallow wort, johnsongrass, smartweed, scotch thistle, marsh marigold, monkshood, leaf scorch, foxtail, poison hemlock, sumacs, hackberries, wild parsnip, apple maggot, henbit, phytophthora, deciduous holly, silky dogwood, kochia, leafy spurge, defoliating, pondweed, salmonberry, bitterbrush, sweet clover, sago palm, spider mite, juglone, tomato hornworm, cocklebur, festuca, red osier dogwood, blister rust, knotweed, bagworm, quack grass, ambrosia beetle, cutworm, rhizomatous, teasel, prunus, myrtle spurge, scotch broom, fleabane, arrowwood, nutgrass, bunchgrass, reed grass, bladderwort, greenfly, vetch, buffel grass, honeysuckles, bromegrass, loosestrife, hawkweed, sword fern, tansy, clethra, wood sorrel, brittlebush, snakeroot, saltbush, yaupon, shagbark hickory, oxalis, horsetail, potentilla, whiteflies, mullein, amanita, crown vetch, barberry, oxeye daisy, catalpa, knapweed, ironweed, musk thistle, goldenrods

weed

benweed, ragweed, ragwort, senecio jacobaea