| Name | Crataegus ambigua C. A. Meyer ex A. K. Becker |
| Authorship | C. A. Meyer bis ex A. K. Becker |
| Rank | Species |
| Placed in | Crataegus Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Crataegus ambigua C. A. Meyer ex A. K. Becker |
| Identification made in | [no date] (2) |
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