Heterotheca fulcrata

A common plant on rocky slopes, primarily at higher elevations.

Pseudanthia at Aguirre Springs on the northeastern side of the Organ Mts., 17 Sep 2006.

Immature pseudanthium, showing phyllaries and subtending bracts, Aguirre Springs, 17 Sep 2006.

A middle cauline leaf at Aguirre Springs, 17 Sep 2006.