Rhamnaceae | |
Frangula purshiana subsp. anonifolia
| (Greene) Sawyer & S.W. Edwards | Madroño 54(2): 173 | 2007 |
Rhamnaceae | |
Frangula purshiana subsp. purshiana
| | | |
Rhamnaceae | |
Frangula purshiana subsp. ultramafica
| Sawyer & S.W. Edwards | Madroño 54(2): 172–174, f. 1 | 2007 |