| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00002849 | 
| Type Status | TypeMaterial | 
| Collector | D. W. Beadle | 
| Collector number | 3 | 
| Country | Canada | 
| State | Ontario | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Ontario | 
| Locality | London | 
| Date Collected | 1903-05-22 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/901bda88-0385-4dcb-b1a0-a2130a1699d1 | 
| Harvard University Herbaria Barcode | 00002849 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | TypeMaterial | 
| TypeMaterial of | Crataegus compacta Sargent | 
| Verified by | D. E. Boufford | 
| Date Determined | 1985 | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus compacta Sargent) Rep. Geol. Surv. Michigan 1907. 1906: 522. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |