| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00768296 |
| Collector | E. F. Thayer |
| Collector number | 2 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Shirley |
| Locality | Shirley |
| Date Collected | 1903-05-22 [May 22. 1903] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/96f2529d-962a-48e2-9048-ead9ea9798ca |
| Harvard University Herbaria Barcode | 00768296 |
| 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 |
