Several names share this combination and are defined under the rules of the botanical code. The species name
Penstemon spectabilis
might be an homonymy case.
Penstemon spectabilis Thurb. ex A.Gray
Penstemon spectabilis is the name of a species, part of the genus Penstemon.
This species has been described by Thurb. ex A.Gray 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) |
29 |
Penstemon spectabilis Thurb. ex Torr. & A. Gray
Penstemon spectabilis is the name of a species, part of the genus Penstemon.
This species has been described by Thurb. ex Torr. & A. Gray 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) |
| Gardens (JB) |
1 |
