| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00016400 | 
| Type Status | Possible Type | 
| Collector | J. Dunbar | 
| Collector number | 7 | 
| 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 | 1901-07-23 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0f88a889-ce89-4a95-b8d8-8c5a79ee789f | 
| Harvard University Herbaria Barcode | 00016400 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | Possible Type | 
| Possible Type of | Crataegus ellwangeriana Sargent | 
| Verified by | D. E. Boufford | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus ellwangeriana Sargent) Bot. Gaz. 1902. 33: 118. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |