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