Hymenopappus biennis, the biennial woollywhite, is a North American species of flowering plant in the daisy family. It has been found in New Mexico and western Texas.Biota of North America Program 2014 county distribution map
Hymenopappus biennis is a biennial herb up to tall. It produces 20-40 flower heads per stem, each head with 8 white ray flowers surrounding 32–50 yellow disc flowers.Flora of North America, Hymenopappus biennis B. L. Turner, 1956.
References
External links Photo of herbarium specimen at Missouri Garden, collected in Guadalupe Mountains of Texas in 1931, isotype of Hymenopappus biennis