| Classification | Rosaceae: Crataegus |
| Barcode(s) | 00017297 |
| Type Status | Syntype |
| Collector | W. M. Canby |
| Country | United States of America |
| State | Delaware |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Delaware: New Castle County |
| Date Collected | 1899-08-19 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/dac23f7b-f6a7-4eb8-8b94-9eaad80f705c |
| Harvard University Herbaria Barcode | 00017297 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus tatnalliana Sargent |
| Verified by | D. E. Boufford |
| Taxon Reference | (for Crataegus tatnalliana Sargent) Bot. Gaz. 1903. 35: 106. |
| Family | Rosaceae |
| Determination | Crataegus pennsylvanica Ashe |
| Determined by | J. A. Macklin (UWO) |
| Date Determined | 2000-02-11 |
| Determination Remarks | [current name] |
| Annotation Text | Hololectotype, in prep |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
