Conyza canadensis

Canadian Fleabane

Description

1. Popular name(s): Canadian Fleabane, Canadian Horseweed, Coltstail, Marestail
2. Botanical name: Conyza canadensis (syn. Erigeron canadensis)
3. Family: Asteraceae
4. Origin: North America and as a naturalized species also in other regions like Africa, Asia or Europe.
5. Height: 20 to 120 centimeters
6. USDA zone: 5 (-9.4 F/-23 °C)