| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00002843 | 
| Type Status | Syntype | 
| Collector | J. Dunbar | 
| Collector number | 30 | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York | 
| Locality | Rochester | 
| Date Collected | 1901-05-20 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e28b1f10-7136-4e96-adf2-00d3afaeff79 | 
| Harvard University Herbaria Barcode | 00002843 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | Syntype | 
| Syntype of | Crataegus colorata Sargent | 
| Verified by | D. E. Boufford | 
| Taxon Reference | (for  Crataegus colorata Sargent) Proc. Rochester Acad. Sci. 1903. 4: 123. | 
| Family | Rosaceae | 
| Determination | Crataegus macropserma Ashe | 
| Determined by | E. J. Palmer | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |