| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00023474 | 
| Type Status | Isosyntype | 
| Collector | C. B. Graves | 
| Collector number | C.51a | 
| Country | United States of America | 
| State | Connecticut | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Connecticut: New London County: Groton | 
| Locality | Woods, Mumford's Point | 
| Date Collected | 1903-05-17 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/00774964-cc82-4a69-86ac-a10e203f5f56 | 
| Harvard University Herbaria Barcode | 00023474 | 
| Herbarium | GH | 
| Family | Rosaceae | 
| Type Status | Isosyntype | 
| Isosyntype of | Crataegus neo-londinensis Sargent | 
| Verified by | D. E. Boufford | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus neo-londinensis Sargent) Man. Trees 1905. 443. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |