Horseweed, Cola De Caballo

• Scientific Name: Erigeron Canadensis
• Common Name: Horseweed, Cola De Caballo
• References: Felger, R.S. and S. Rutman. 2016. Ajo Peak to Tinajas Altas: Flora of southwestern Arizona. Part 21. Eudicots: Asteraceae-Aster Family. Phytoneuron 2016-77: 1-164. Published 29 November 2016. ISSN 2153 733X
• References Url: https://www.cabezaprieta.org/flora_research/77PhytoN-SWArizPt21.pdf#page=75
• Habitat: Disturbed areas
• Life Form: Forb, annual
• Leaf Description: Rough to smooth, oblanceolate to linear, toothed to entire
• Flower Color: White or whitish
• Flowering Period: Jul. to Oct.
• Spines: Spineless
• Rarity: Introduced, naturalized, locally common
• Family: Asteraceae (sunflower family)