| Classification | Rosaceae: Crataegus |
| Barcode(s) | 00016487 |
| Type Status | Syntype, Lectotype |
| 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 | 1905-05-07 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a46d66df-0ba8-4100-84fd-23b36a1817ea |
| Harvard University Herbaria Barcode | 00016487 |
| Herbarium | A |
| 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 |
| Type Status | Lectotype |
| Lectotype 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 |
| 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 |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
