| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00709124 |
| Collector | E. F. Thayer |
| Collector number | 20 |
| 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 Road |
| Date Collected | 1903-05-26 [May 26, 1903] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7adb4244-486e-4800-9e34-0236ba81061d |
| Harvard University Herbaria Barcode | 00709124 |
| Herbarium | A |
| Family | Rosaceae |
| Determination | Crataegus macrosperma Ashe |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
