| Name | Crataegus tenuior J. B. Phipps |
| Authorship | J. B. Phipps |
| Rank | Species |
| Placed in | Crataegus Linnaeus |
| Citation | 2013 J. Bot. Res. Inst. Texas 7(1): 281 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Crataegus tenuior J. B. Phipps |
| Identification made in | [no date] (2) |