Common Name:
Horseweed
Scientic Name:
Conyza canadensis
Colors:
White
Months Appearing:
August
Also improperly called Errigeron canadensis. Native. Also called Canada Fleabane, Canadian Horseweed. Up to 7 feet tall.
Flowers on large branching panicles. ~1/8 inch diameter. 20-40 minute white rays with central yellow disk..
Leaves are unstalked, narrow and < 1/2 inch wide.
Disturbed soils, sunlight. Field in Benzie County. August 19. 3192, 3193, 3195
First weed to develop glyphosate resistance.