Worthington, R. (2007) Lincoln National Forest Inventory Completion Report, Sensitive Plant Survey, Field Notes. Guadalupe Rabbitbrush Surveys, Guadalupe RD, Lincoln NF, USFS. 3 p.

• Aquilegia chrysantha var. chaplinei
• Penstemon cardinalis ssp. Regalis
• Ericameria nauseosa var. texensis