Conyza canadensisSpecies

Common Name(s)

• Canada horseweed
• marestail
• horseweed
• horseweed fleabane
• mares tail
• Canadian horseweed

Regions

Minnesota

Jul 23 - Sep 30

Wisconsin

Jul 23 - Sep 30

Scott County, Minnesota

Ramsey County, Minnesota

Jul 30 - Oct 14

Anoka County, Minnesota

Hennepin County, Minnesota

Jul 30 - Sep 30

Dakota County, Minnesota

Jul 23 - Sep 23

Synonyms

• Conyza parva
• Erigeron canadensis
• Erigeron pusillus
• Leptilon canadense
• Leptilon pusillum
• Conyza canadensis var. canadensis
• Conyza canadensis var. glabrata
• Conyza canadensis var. pusilla
• Erigeron canadensis var. glabratus
• Erigeron canadensis var. pusillus

External Resources

• ITIS taxon info
• iNaturalist taxon info