| Name | Crataegus pruinosa var. cognata (Sargent) J. B. Phipps |
| Authorship | (Sargent) J. B. Phipps |
| Rank | Variety |
| Placed in | Crataegus pruinosa (J. C. Wendland) K. Koch |
| Citation | 1980 Canad. J. Bot. 58(15): 1683 |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Crataegus pruinosa var. cognata (Sargent) J. B. Phipps |
| Identification made in | [no date] (17) |
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