| Name | Crataegus okanaganensis var. longispina J. B. Phipps |
| Authorship | J. B. Phipps |
| Rank | Variety |
| Placed in | Crataegus okanaganensis J. B. Phipps & O'Kennon |
| Citation | 2013 J. Bot. Res. Inst. Texas 7(1): 289 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Crataegus okanaganensis var. longispina J. B. Phipps |
| Identification made in | [no date] (2) |