Hymenothrix wislizeni, the Trans-Pecos thimblehead,[1] is a North American species of flowering plant in the daisy family.

It grows in northwestern Mexico (Baja California, Sonora, Chihuahua) and the southwestern United States (far western Texas, Arizona, New Mexico).

[2][3] Hymenothrix wislizeni is an annual herb up to 70 cm (28 in) tall.

Each head has 15-30 yellow or cream-colored disc flowers surrounded by 8-12 yellow ray flowers.

This Asteroideae article is a stub.