Hymenopappus mexicanus, the Mexican woollywhite, is a North American species of flowering plant in the daisy family. It grows in northern Mexico (Chihuahua, San Luis Potosí) and the southwestern United States (Arizona, New Mexico).Biota of North America Program 2014 county distribution mapSEINet, Southwestern Biodiversity, Arizona chapter description, photos, distribution map
Hymenopappus mexicanus is a biennial herb up to 90 cm (3 feet) tall. One plant produces 1-20 flower heads per stem, each head with 20-40 yellow disc flowers but no ray flowers.Flora of North America, Hymenopappus mexicanus A. Gray, 1883.
References
External links Photo of herbarium specimen at Missouri Botanical Garden, collected in New Mexico in 1881