Swaziland's Alien Plants Database

Conyza canadensis (L.) Cronquist ASTERACEAE horseweed fleabane, Canadian horseweed, Canada fleabane, butterweed, blood stanch, colt's tail, fireweed, hogweed, horseweed, mare's tail, pride weed Disturbed areas, Minor problem species Origin: North America Growth Form: Herb Plant Description: Sub-woody, almost unbranched annuals up to 2 m high. Leaf margins finely dentate. Flower heads minutely radiate, rays mauve or white. Key Features: Control: Comments: More information: NRCS Plants Database Photo - flowers Brother Alfred Brousseau @ USDA-NRCS PLANTS Database Photo - flowers Larry Allain @ USDA-NRCS PLANTS Database Photo - plant Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln, NE. Photo - flowers K Braun, Swaziland's Alien Plants Database

KEY   Confirmed (herbarium specimen)   Visual record   Suspected Click on map grid square to view record information for each grid square.

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