Difference between Canadian Fleabane and Horseweed

CANADIAN FLEABANE vs HORSEWEED: NOUN

Common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

Any of various flowering plants of the genus Conyza.
A composite plant, Erigeron Canadense, a troublesome American weed.
A weedy North American annual plant (Conyza canadensis) in the composite family, having a tall erect stem, narrow leaves, and numerous small whitish flower heads grouped in panicles.
Erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States
Common North American weed with linear leaves and small discoid heads of yellowish flowers; widely naturalized throughout temperate regions; sometimes placed in genus Erigeron

Fireweed, Eye, Drive, Disc flower, Biennial, Bbs, Asa, Aggregated, Aggregate, Abe, Capitulum, Erigeron canadensis, Conyza canadensis, Horseweed, Fleabane

Cutworms, Nutsedge, Sclerotinia, Johnsongrass, Italian ryegrass, Pigweed, Richweed, Stone root, Collinsonia canadensis, Conyza canadensis, Horse balm, Stoneroot, Erigeron canadensis, Canadian fleabane, Fleabane

Radius, Radiate, Moon, June, Head, Fresh, Freeman, Eye, Drive, Biennial, Aggregated, Aggregate, Abe, Capitulum, Fleabane

Velvetleaf, Leafminer, Spider mite, Mealybugs, Sawfly, Ryegrass, Whiteflies, Postemergence, Henbit, Downy mildew, Sclerotinia, Johnsongrass, Stoneroot, Richweed, Fleabane

An example might be large horseweed not adequately controlled by an earlier burndown application.
Yellow nutsedge, pigweeds, prickly sida, morningglory, common ragweed, horseweed, and many other broadleaf species.
This tank mixture will not control glyphosateresistant horseweed.