| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00002989 |
| Type Status | Syntype |
| Collector | D. W. Beadle |
| Collector number | 33 |
| Country | Canada |
| State | Ontario |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: London |
| Date Collected | 1903-05-21 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/57e724e1-953b-4adc-ab5e-d1f4b41e9c93 |
| Harvard University Herbaria Barcode | 00002989 |
| Herbarium | A |
| Family | Rosaceae |
| Determination | Crataegus macracantha var. macracantha |
| Determined by | J. B. Phipps |
| Determination Remarks | [is Current name] |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus debilis Sargent |
| Verified by | D. E. Boufford |
| Taxon Reference | (for Crataegus debilis Sargent) Ontario Nat. Sci. Bull. 1908. 4: 84. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
