Rosaceae | |
Crataegus macracantha var. colorado
| (Ashe) Kruschke | Milwaukee Public Mus. Publ. Bot. 3: 161 | 1965 |
Rosaceae | |
Crataegus macracantha var. divida
| (Sarg.) Kruschke | Milwaukee Public Mus. Publ. Bot. 3: 161 | 1965 |
Rosaceae | |
Crataegus macracantha var. integriloba
| (Sarg.) Kruschke | Milwaukee Public Mus. Publ. Bot. 3: 161 | 1965 |
Rosaceae | |
Crataegus macracantha var. macracantha
| | | |
Rosaceae | |
Crataegus macracantha var. neofluvialis
| (Ashe) Eggl. | Rhodora 10(113): 83 | 1908 |
Rosaceae | |
Crataegus macracantha var. occidentalis
| (Britton) Eggl. | Rhodora 10(113): 82 | 1908 |
Rosaceae | |
Crataegus macracantha var. pertomentosa
| (Ashe) Kruschke | Milwaukee Public Mus. Publ. Bot. 3: 161 | 1965 |
Rosaceae | |
Crataegus macracantha var. rhombifolia
| (Sarg.) Eggl. | Rhodora 10(113): 82 | 1908 |
Rosaceae | |
Crataegus macracantha var. succulenta
| (Schrad. ex Link) Eggl. | Rhodora 10(113): 82 | 1908 |