| Harvard University Herbaria Barcode(s) | 00017616 | 
| Type Status | Syntype | 
| Collector | J. Dunbar | 
| Collector number | 70-04 | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario: Toronto | 
| Date Collected | 1905-05-30 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/89c16acb-f9b9-4d33-a79b-5f535a6b0489 | 
| Harvard University Herbaria Barcode | 00017616 | 
| Herbarium | A | 
| Type Status | Syntype | 
| Syntype of | Crataegus virilis Sargent | 
| Verified by | D. E. Boufford | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus virilis Sargent) Ontario Nat. Sci. Bull. 1908. 4: 68. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |