Penstemon ramosus

Wootten, T. and G. Magee. 1999. NMNHP Rare Species Reporting Form with location of Penstemon lanceolatus (P. ramosus) occurrence. 1 p.

• Penstemon lanceolatus
• Penstemon ramosus

Anderson, J. L., S. Richmond-Williams, and O. Williams. 2004. Penstemon lanceolatus Benth. or P. ramosus Crosswhite in Arizona and New Mexico, a Peripheral or Endemic Species? Bureau of Land Management. Phoenix, AZ 85027 and Las Cruces, NM 88005. Pages 8-

• Penstemon lanceolatus
• Penstemon ramosus
• Branching penstemon

Greene, E. L. 1888. Botanical Gazette. Vol 6. Page 218.

• Penstemon ramosus
• Penstemon lanceolatus