| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00018367 |
| Type Status | Syntype |
| Collector | E. J. Hill |
| Collector number | 44A |
| Country | United States of America |
| State | Illinois |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Illinois |
| Locality | Banks of Desplaines River, Thatcher's Park |
| Date Collected | 1901-05-15 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/84166767-3522-4068-b985-0698301040fb |
| Harvard University Herbaria Barcode | 00018367 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus assurgens Sargent |
| Verified by | D. E. Boufford |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Crataegus assurgens Sargent) Bot. Gaz. 1903. 35: 382. |
| Subcollection | Fruit collection |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Bag |
| Preparation Method | Dried |
