| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00017298 |
| Type Status | Syntype |
| Collector | W. M. Canby |
| Collector number | 11 |
| Country | United States of America |
| State | Delaware |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Delaware: New Castle County |
| Locality | Between Newport and New Castle |
| Date Collected | 1899-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/83ecf9e1-1a57-4da7-acc5-d0bca09b7827 |
| Harvard University Herbaria Barcode | 00017298 |
| 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, 04/12/ |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
