| Name | Crataegus macracantha var. pertomentosa (Ashe) Kruschke |
| Authorship | (Ashe) Kruschke |
| Rank | Variety |
| Placed in | Crataegus macracantha Loddiges ex Loudon |
| Citation | 1965 Milwaukee Public Mus. Publ. Bot. 3: 161 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Crataegus macracantha var. pertomentosa (Ashe) Kruschke |
| Identification made in | [no date] (2) |
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