| Name | Crataegus tenuisepala Sargent |
| Authorship | Sargent |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Crataegus Linnaeus |
| GUID | urn:lsid:ipni.org:names:69083-2 |
| Citation | 1908 Rep. (Annual) Missouri Bot. Gard. 19: 68 |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Crataegus tenuisepala Sargent |
| Identification made in | [no date] (6), 2018 (3) |