lodgepole pine, lodgepole, beetle, spruce bark beetle, blister rust, woolly adelgid, tamarisk, adelgid, leafy spurge, aspen, cheatgrass, budworm, knapweed, chestnut blight, pinyon, anthracnose, subalpine fir, purple loosestrife, cankerworms, asian longhorned beetle, hemlocks, fireweed, whitefly, knotweed, fungus, hogweed, spider mite, sericea lespedeza, dutch elm, conifers, ponderosa, musk thistle, dutch elm disease, aphid, wildfire, spartina, kochia, junipers, sawfly, mealy bug, buckthorn, insect, fall webworm, phragmites, defoliation, psyllid, infestation, potato beetle, root rot, bush honeysuckle, apple maggot, pests, dieback, pampas grass, prairie dog, flea beetle, ponderosa pine, borers, engelmann spruce, forest tent caterpillar, powdery mildew, stink bug, rust fungus, webworms, jack pine, tussock moth, leaf beetle, understory, manzanita, rangeland, reed canary grass, poison ivy, nematode, limber pine, forests, forbs, milfoil, whitebark pine, pathogen, loosestrife, cottonwood, armyworms, wild parsnip, caterpillars, leaf scorch, locust, mealybugs, medfly, phytophthora, downy mildew, scrub oak, pink bollworm, poison sumac, longleaf pine, cankers, longleaf, elk, moth, melaleuca, bitterbrush, dutch elm fungus

dutch-elm beetle, scolytus multistriatus