Penstemon diffusus Douglas
Penstemon diffusus is the name of a species, part of the genus Penstemon.
This species has been described by Douglas under the rules of the International Code of Nomenclature for algae, fungi, and plants (ICN / commonly called the botany code).
Botany
Specimens registered in collections
| Collection |
Number of specimens (or sets) |
| Vascular plants (P) |
18 |
