Dave's Garden. Search the extensive PlantFiles database.
Links for Penstemon ramosus
American Penstemon Society - Detailed description of the species' botanical characteristics, habitat, and native range.
Lady Bird Johnson Wildflower Center - Plant description and characteristics with notes on distribution, culture, and propagation. (2 photos)
New Mexico Rare Plants - Resource maintained by volunteer botanists providing descriptions and photos of various plants native to the state. (6 photos)