| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00017052 | 
| Type Status | Syntype | 
| Collector | J. Dunbar | 
| Collector number | 17 | 
| 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 | 1901-05-22 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5c66e5b2-02dd-4c8d-9827-9ba6d3310417 | 
| Harvard University Herbaria Barcode | 00017052 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | Syntype | 
| Syntype of | Crataegus opulens Sargent | 
| Verified by | D. E. Boufford | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus opulens Sargent) Proc. Rochester Acad. Sci. 1903. 4: 104. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |