Conyza bonariensis (L.) Cronquist - Asthma-Weed
Family - Asteraceae
Flowering - June - October.
Habitat - Waste ground, disturbed sites, roadsides, railroads.
Origin - Native to tropical America.
Other information - This scuzzy weed can be found mainly in the southern half of Alabama. It is likely to be much more common than has been reported. The plant can be identified by its villous stems, thin, dense leaves, uniseriate involucres, and small flower heads. The heads of flowers are noticeably larger, however, than the more common C. canadensis (L.) Cronquist.
Photographs taken off Lee Rd 54, Lee County, AL., 8-31-04.