| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00017519 |
| Type Status | Syntype, Lectotype |
| Collector | E. J. Palmer |
| Collector number | 2265 |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | Arnold Arboretum, Jamaica Plain |
| Date Collected | 1921-10-18 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3a5342c2-f649-4ef8-b453-6980fcb3adf9 |
| Harvard University Herbaria Barcode | 00017519 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Syntype |
| Syntype of | Crataegus swanensis Sargent |
| Verified by | D. E. Boufford |
| Date Determined | 1986 |
| Taxon Reference | (for Crataegus swanensis Sargent) J. Arnold Arbor. 1922. 3: 182. |
| Family | Rosaceae |
| Type Status | Lectotype |
| Lectotype of | Crataegus swanensis Sargent |
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2005 |
| Taxon Reference | (for Crataegus swanensis Sargent) J. Arnold Arbor. 1922. 3: 182. |
| Family | Rosaceae |
| Determination | Crataegus persimilis Sargent |
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2005 |
| Determination Remarks | [current name] |
| Annotation Text | (ser. Crus-galli x Macracanthae) |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
