| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00768333 |
| Collector | E. F. Thayer |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County: Lancaster |
| Locality | Lancaster |
| Date Collected | 1902 [1902] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f67f0263-f23e-44e6-b29b-cebea0a33c92 |
| Harvard University Herbaria Barcode | 00768333 |
| Herbarium | A |
| Family | Rosaceae |
| Determination | Crataegus macracantha Loddiges ex Loudon |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
