| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00016376 |
| Type Status | Syntype |
| Collector | H. J. Brown |
| Collector number | 6 |
| Country | United States of America |
| State | New York |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Livingston County |
| Locality | Near Hemlock Lake R.R. Station |
| Date Collected | 1906-05-25 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/44fb34fe-01f9-4cdd-8315-8c6aecc4ca84 |
| Harvard University Herbaria Barcode | 00016376 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus efferata Sargent |
| Verified by | D. E. Boufford |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Crataegus efferata Sargent) New York State Mus. Bull. 1908. 122: 128. |
| Subcollection | Fruit collection |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Bag |
| Preparation Method | Dried |
