Baccharis pteronioides

Baccharis pteronioides is a North American shrub in the family Asteraceae known by the common name yerba de pasmo.^[2] It is widespread in Mexico (from Chihuahua to Oaxaca)^[3][4][5] and also found in the southwestern United States (Arizona, New Mexico, western Texas).^[6]

Baccharis pteronioides
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Asterales
Family:	Asteraceae
Genus:	Baccharis
Species:	B. pteronioides
Binomial name
Baccharis pteronioides A.Gray
Synonyms[1]
Baccharis ramulosa (DC.) A.Gray Haplopappus ramulosus DC. Linosyris ramulosa (DC.) A.Gray Neomolina pteronioides (DC.) F.H.Hellw.

Baccharis pteronioides is a shrub up to 100 cm (40 inches) tall, with thick, leathery leaves and many small flower heads. It grows in dry woodlands, grasslands, and canyons.^[2]