Chaetopappa hersheyi

Chaetopappa hersheyi is a rare perennial plant species of plant called Hershey's cliff daisy, in the sunflower family. The epithet "hersheyi" honors the plant's discoverer, Arthur LeRoy Hershey, who collected it in 1944. It was formally described by Sidney Fay Blake in 1946.

Other vernacular names have been adapted to this plant including Guadalupe least daisy and Guadalupe lazy daisy. this name emerges from the fact that these plants are found in the Guadalupe Mountains in western Texas and southeastern New Mexico. Many of the populations lie inside Guadalupe Mountains National Park and the nearby Carlsbad Caverns National Park.