| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00016360 |
| Type Status | Syntype |
| Collector | W. C. Egan |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois: Cook County: Deerfield |
| Date Collected | 1892-05-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ee0648f5-cf43-4cd4-a9dd-7130e6cbe5ba |
| Harvard University Herbaria Barcode | 00016360 |
| Herbarium | A |
| Family | Rosaceae |
| Determination | Crataegus holmesiana Ashe |
| Determined by | J. A. Macklin, UWO, 03/12/ |
| Determination Remarks | [is Current name] |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus elongata Sargent |
| Verified by | D. E. Boufford |
| Taxon Reference | (for Crataegus elongata Sargent) Bot. Gaz. 1903. 35: 380. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
