| Classification | Rosaceae: Crataegus | 
| Barcode(s) | 00017359 | 
| Type Status | Holotype | 
| Collector | B. F. Bush | 
| Collector number | 346 | 
| Country | United States of America | 
| State | Missouri | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Ripley County: Pleasant Grove | 
| Date Collected | 1900-05-20 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9ed513b5-0fc0-4211-b901-c7bcf37f31d5 | 
| Harvard University Herbaria Barcode | 00017359 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status |  Holotype | 
| Holotype of |  Crataegus scabera Sargent | 
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) | 
| Date Determined | 2003 | 
| Taxon Reference | (for  Crataegus scabera Sargent) Trees & Shrubs [Sargent] 1913. 2: 245. | 
| Family | Rosaceae | 
| Type Status |  Holotype | 
| Holotype of |  Crataegus scabera Sargent | 
| Verified by | D. E. Boufford | 
| Date Determined | 1984 | 
| Taxon Reference | (for  Crataegus scabera Sargent) Trees & Shrubs [Sargent] 1913. 2: 245. | 
| Family | Rosaceae | 
| Determination |  Crataegus calpodendron (Ehrhart) Medikus | 
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) | 
| Date Determined | 2003 | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |