| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00003336 | 
| Type Status | Syntype | 
| Collector | J. Dunbar | 
| Collector number | 5 | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Monroe County: Rochester | 
| Date Collected | 1901-09-28 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/36706c43-6253-4988-aca9-9192bcf02fea | 
| Harvard University Herbaria Barcode | 00003336 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | Syntype | 
| Syntype of | Crataegus diffusa Sargent | 
| Verified by | D. E. Boufford | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus diffusa Sargent) Proc. Rochester Acad. Sci. 1903. 4: 103. | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |