| Barcode(s) | 00017548 | 
| Type Status | Syntype | 
| Collector | J. Dunbar | 
| Collector number | 2 | 
| 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 | 1902-09-25 | 
| Remarks | = Crataegus macrosperma Ashe (det. E. J. Palmer, 1945) | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ec874631-aa2c-42e8-a7e6-61c9945e0e33 | 
| Harvard University Herbaria Barcode | 00017548 | 
| Herbarium | A | 
| Type Status |  Syntype | 
| Syntype of |  Crataegus tenuiloba Sargent | 
| Verified by | D. E. Boufford | 
| Taxon Reference | (for  Crataegus tenuiloba Sargent) Proc. Rochester Acad. Sci. 1903. 4: 122. | 
| Determination |  Crataegus macrosperma Ashe | 
| Determined by | E. J. Palmer | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |