Horseweed

Common Name: Horseweed or mare's tail

Botanical Name: Conyza canadensis (L.) Cronq.

Family: Asteraceae

Life Cycle: Annual (spreads by seeds)

Defining Identification Characteristics:

• Small basal rosette

• Tall, vertical stem

• Stem and leaves are hairy

• Alternate, linear leaves are crowded along the stem

• Many small flowers grouped in clusters

• Short taproot

Common habitat:

• Meadows

• Farm fields

• Perennial gardens

Noxious Weed List/Legal Status:

Eradicate Control Restricted Specially Regulated Not Listed

Additional Information:

• Horseweed | Cornell Weed Identification