Rosaceae | |
Physocarpus alternans subsp. alternans
| | | |
Rosaceae | |
Physocarpus alternans subsp. annulatus
| J.T. Howell | Proc. Calif. Acad. Sci., ser. 4, 20(4): 133–134 | 1931 |
Rosaceae | |
Physocarpus alternans subsp. panamintensis
| J.T. Howell | Proc. Calif. Acad. Sci., ser. 4, 20(4): 132–133 | 1931 |
Rosaceae | ** |
Physocarpus alternans subsp. typicus
| J.T. Howell | Proc. Calif. Acad. Sci., ser. 4, 20(4): 131 | 1931 |