| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00017431 |
| Type Status | Holotype |
| Collector | C. S. Sargent |
| 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 | 1900-10-01 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7335ddf5-9558-4825-81a4-f45342e69b71 |
| Harvard University Herbaria Barcode | 00017431 |
| Herbarium | A |
| Family | Rosaceae |
| Determination | Crataegus crus-galli Linnaeus |
| Determined by | Ernest J. Palmer |
| Date Determined | 1947-04-25 |
| Determination Remarks | [is Current name] |
| Family | Rosaceae |
| Determination | Crataegus crus-galli Linnaeus |
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Determination Remarks | [is Current name] |
| Family | Rosaceae |
| Type Status | Holotype |
| Holotype of | Crataegus severa Sargent |
| Verified by | D. E. Boufford |
| Date Determined | 1985 |
| Taxon Reference | (for Crataegus severa Sargent) Trees & Shrubs [Sargent] 1913. 2: 59. |
| Family | Rosaceae |
| Type Status | Holotype |
| Holotype of | Crataegus severa Sargent |
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Taxon Reference | (for Crataegus severa Sargent) Trees & Shrubs [Sargent] 1913. 2: 59. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
