| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00017570 | 
| Type Status | Syntype,  Isolectotype | 
| Collector | B. F. Bush | 
| Collector number | 6633 | 
| Country | United States of America | 
| State | Missouri | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Stoddard County: Dexter | 
| Date Collected | 1912-04-23 | 
| Habitat | Low woods. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a5708051-ba75-4702-99bd-6c4ab99cec07 | 
| Harvard University Herbaria Barcode | 00017570 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | Syntype | 
| Syntype of | Crataegus tumida Sargent | 
| Verified by | D. E. Boufford | 
| Taxon Reference | (for  Crataegus tumida Sargent) Trees & Shrubs [Sargent] 1913. 2: 240. | 
| Family | Rosaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Crataegus tumida Sargent | 
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) | 
| Date Determined | 2003 | 
| Taxon Reference | (for  Crataegus tumida Sargent) Trees & Shrubs [Sargent] 1913. 2: 240. | 
| Family | Rosaceae | 
| Determination | Crataegus pruinosa (J. C. Wendland) K. Koch | 
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) | 
| Date Determined | 2003 | 
| Determination Remarks | [current name] | 
| Family | Rosaceae | 
| Determination | Crataegus tumida Sargent | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |