| Barcode(s) | 00002648 | 
| Type Status | Syntype | 
| Collector | J. Dunbar | 
| Collector number | 10 | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: Regional Municipality of Niagara: Niagara Falls: Chippawa | 
| Date Collected | 1902-10-07 | 
| Remarks | = Crataegus dissona Sarg., det J. B. Phipps, 1978 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/22f6ed06-38f6-483b-9abb-f9503ac79dc4 | 
| Harvard University Herbaria Barcode | 00002648 | 
| Herbarium | A | 
| Type Status |  Syntype | 
| Syntype of |  Crataegus compta Sargent | 
| Verified by | D. E. Boufford | 
| Taxon Reference | (for  Crataegus compta Sargent) Proc. Rochester Acad. Sci. 1903. 4: 102. | 
| Determination |  Crataegus dissona Sargent | 
| Determined by | J. B. Phipps | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |