| Classification | Rosaceae: Crataegus | 
| Barcode(s) | 00016566 | 
| Type Status | Syntype | 
| Collector | B. F. Bush | 
| Collector number | 12 | 
| Country | United States of America | 
| State | Missouri | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Shannon County: Grandin | 
| Date Collected | 1905-10-12 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e8e161df-97b9-4591-aee0-2e2b351e42f3 | 
| Harvard University Herbaria Barcode | 00016566 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status |  Syntype | 
| Syntype of |  Crataegus trianthophora Sargent | 
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) | 
| Date Determined | 2003 | 
| Taxon Reference | (for  Crataegus trianthophora Sargent) Trees & Shrubs [Sargent] 1901. 2: 11. | 
| Family | Rosaceae | 
| Type Status |  Syntype | 
| Syntype of |  Crataegus trianthophora Sargent | 
| Verified by | D. E. Boufford | 
| Taxon Reference | (for  Crataegus trianthophora Sargent) Trees & Shrubs [Sargent] 1901. 2: 11. | 
| Family | Rosaceae | 
| Determination |  Crataegus uniflora Münchhausen | 
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) | 
| Date Determined | 2003 | 
| Determination Remarks |  [current name] | 
| Family | Rosaceae | 
| Determination |  Crataegus uniflora Münchhausen | 
| Determined by | E. J. Palmer (A) | 
| Date Determined | 1947-03-10 | 
| Family | Rosaceae | 
| Determination |  Crataegus trianthophora Sargent | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |