| Name | Crataegus engelmannii var. sinistra (Beadle) E. J. Palmer |
| Authorship | (Beadle) E. J. Palmer |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Crataegus engelmannii Sargent |
| GUID | urn:lsid:ipni.org:names:68251-2 |
| Citation | 1946 Brittonia 5:483 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Crataegus engelmannii var. sinistra (Beadle) E. J. Palmer |
| Identification made in | 1947 (2) |
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