Common name(s): snake-flowered penstemon
Links for Penstemon ophianthus
- American Penstemon Society - Detailed description of the species' botanical characteristics, habitat, and native range. (1 photo)
- Rob's Plants - Plant profile with basic horticultural information and often personal observations. Also seed germination records.
- Southwest Colorado Wildflowers - Photos and botanical information about the species/genus. (6 photos)