The problem was first noticed by farmers in Delaware with a weed called mare's-tail, or horseweed.

Farmers are advised to include 2,4-D or dicamba in a burndown application prior to planting to control horseweed.

Not to be confused with Cichorium intybus - more commonly called "chicory", but also sometimes called "horseweed"

Canadian Horseweed (Conyza canadensis) is species of plant.

Common names include Canada Horsebalm, Richweed, Hardhack, Heal-All, Horseweed, Ox-Balm and Stone root.

Conyza bonariensis (also known as hairy fleabane and buva) and Conyza canadensis (known as horseweed or marestail), are other weed species that had lately developed glyphosate resistance.

Common names include Horseweed, Canadian Horseweed, Canadian Fleabane, Coltstail, Marestail and Butterweed.

Butterweed, Canadian Horseweed, Canadian-Fleabane, Canadian Trailing Arbutus, Coltstail, Conyza canadensis, Erigeron canadensis, Flea Wort, Hogweed, Horsewood, Prideweed, Vergerette du Canada.

There isn't enough information about Canadian fleabane to know how it might work.

There isn't enough information available to know if Canadian fleabane is safe.

More evidence is needed to rate the effectiveness of Canadian fleabane for these uses.

If you have allergies, be sure to check with your healthcare provider before taking Canadian fleabane.

At this time there is not enough scientific information to determine an appropriate range of doses for Canadian fleabane.

Canadian fleabane is also used to treat a skin disease called granuloma annulare.

The appropriate dose of Canadian fleabane depends on several factors such as the user's age, health, and several other conditions.

Canadian fleabane is a plant.

It is also known as Canadian Fleabane, Coltstail, and Marestail.

Pregnancy and breast-feeding: Not enough is known about the use of Canadian fleabane during pregnancy and breast-feeding.

Allergy to ragweed, daisies, and related plants: Canadian fleabane may cause an allergic reaction in people who are sensitive to the Asteraceae/Compositae plant family.

Common names include Horseweed, Canadian Horseweed, Canadian Fleabane, Coltstail, Marestail and Butterweed.

(CANADIAN FLEABANE) Vernicia cordata.

It is also known as Canadian Fleabane, Coltstail, and Marestail.

Common names include Horseweed, Canadian Horseweed, Canadian Fleabane, Coltstail, Marestail and Butterweed.

Butterweed, Canadian Horseweed, Canadian-Fleabane, Canadian Trailing Arbutus, Coltstail, Conyza canadensis, Erigeron canadensis, Flea Wort, Hogweed, Horsewood, Prideweed, Vergerette du Canada.

It is also known as Canadian Fleabane, Coltstail, and Marestail.

Common names include Horseweed, Canadian Horseweed, Canadian Fleabane, Coltstail, Marestail and Butterweed.

Conyza bonariensis (also known as hairy fleabane and buva) and Conyza canadensis (known as horseweed or marestail), are other weed species that had lately developed glyphosate resistance.

Layne's butterweed is the only federally listed plant species in the Red Hills at this time.

The adults may use buckwheat, butterweed (Senecio douglasii) for nectar.

A third plant species, Layne's butterweed (Senecio layneae), has already been listed as a threatened species.

Another plant, Hoover's butterweed (Senecio clevelandii var.

Layne's butterweed (Packera layneae or Senecio layneae)

But there were tiny dots of color, too, butterweed and red-and-white swamp azalea, and cross-vine, a small yellow and red trumpet-shaped flower .

Packera glabella (formerly Senecio glabellus) is one of several plants with the common name butterweed, this one has also been called cressleaf groundsel and yellowtop.

Senecio triangularis, known as arrowleaf groundsel and arrowleaf butterweed, is a species of the genus Senecio and family Asteraceae.

Common names include Horseweed, Canadian Horseweed, Canadian Fleabane, Coltstail, Marestail and Butterweed.

Conyza (horseweed, butterweed or fleabane) is a genus of about 50 species of flowering plants in the family Asteraceae, native to tropical and warm temperate regions throughout the world, and also north into cool temperate regions in North America and eastern Asia.

The larvae feed on Persicaria attenuata africana and Conyza canadensis.

Canadian Horseweed (Conyza canadensis) is species of plant.

Conyza canadensis (L.) Cronq.

Butterweed, Canadian Horseweed, Canadian-Fleabane, Canadian Trailing Arbutus, Coltstail, Conyza canadensis, Erigeron canadensis, Flea Wort, Hogweed, Horsewood, Prideweed, Vergerette du Canada.