| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00017933 |
| Type Status | Syntype, Possible Syntype |
| Collector | J. H. Kellogg |
| Collector number | 6 |
| Country | United States of America |
| State | Missouri |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Missouri: Franklin County: Pacific |
| Locality | Near Pacific |
| Date Collected | 1901-10-19 |
| Vernacular Name | Hooked thorn |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cb4a5b10-1f7f-4f42-a72b-e74f1180ff26 |
| Harvard University Herbaria Barcode | 00017933 |
| Herbarium | A |
| 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 | Syntype |
| Syntype of | Crataegus hamata Sargent |
| Verified by | D. E. Boufford |
| Taxon Reference | (for Crataegus hamata Sargent) Rep. (Annual) Missouri Bot. Gard. 1908. 19: 46. |
| Family | Rosaceae |
| Type Status | Possible Syntype |
| Possible Syntype of | Crataegus hamata Sargent |
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Determination Remarks | Discordance in date and collectors |
| Taxon Reference | (for Crataegus hamata Sargent) Rep. (Annual) Missouri Bot. Gard. 1908. 19: 46. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
