Hymenopappus flavescens

Hymenopappus flavescens, the collegeflower, is a North American species of flowering plant in the daisy family.

Distribution and habitat
It grows in the southwestern and south-central United States (Kansas, Oklahoma, Texas, Colorado, New Mexico, Arizona) and northern Mexico (Chihuahua). It grows in sandy soils.

Description
Hymenopappus flavescens is a biennial herb up to 90 cm (3 feet) tall. It produces 15-100 flower heads per stem, each head with 20–40 yellow disc flowers but no ray flowers.

Varieties
Named varieties include:
 * Hymenopappus flavescens var. canotomentosus A.Gray New Mexico, Texas, Chihuahua
 * Hymenopappus flavescens var. flavescens - Colorado, Kansas, New Mexico, Oklahoma, Texas