| Classification | Rosaceae: Crataegus |
| Harvard University Herbaria Barcode(s) | 00018369 |
| Type Status | Possible Type, Neotype |
| Collector | H. K. D. Eggert |
| 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 | 1886 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ecd57436-6b7b-4681-bce1-902cc9323fb6 |
| Harvard University Herbaria Barcode | 00018369 |
| Herbarium | A |
| Family | Rosaceae |
| Type Status | Possible Type |
| Possible Type of | Crataegus atrorubens Ashe |
| Verified by | D. E. Boufford |
| Date Determined | 1984 |
| Taxon Reference | (for Crataegus atrorubens Ashe) J. Elisha Mitchell Sci. Soc. 1900. 16: 79. |
| Family | Rosaceae |
| Type Status | Neotype |
| Neotype of | Crataegus atrorubens Ashe |
| Verified by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Taxon Reference | (for Crataegus atrorubens Ashe) J. Elisha Mitchell Sci. Soc. 1900. 16: 79. |
| Family | Rosaceae |
| Determination | Crataegus sp. |
| Determined by | J. B. Phipps (UWO) & G. Yatskievych (MO) |
| Date Determined | 2003 |
| Determination Remarks | [current name] |
| Annotation Text | = c.f. C. viridis L. x C. mollis (Torr. & A. Gray) Scheele |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |