| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00068611 |
| Type Status | Syntype |
| Collector | E. F. Thayer |
| Collector number | 3 |
| 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 | 1906-05-18 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a25a679a-3b34-44b7-9a2a-f29300d17ebc |
| Harvard University Herbaria Barcode | 00068611 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus shirleyensis Sargent |
| Verified by | D.E. Boufford |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Crataegus shirleyensis Sargent) Trees & Shrubs [Sargent] 1913. 2: 244. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
