| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00017168 | 
| Type Status | Syntype | 
| Collector | B. H. Slavin | 
| Collector number | 35 | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Ontario County: Chapinville | 
| Date Collected | 1909-05-29 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bfc35465-7208-43e3-a28a-9600a80ec629 | 
| Harvard University Herbaria Barcode | 00017168 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | Syntype | 
| Syntype of | Crataegus perrara Sargent | 
| Verified by | D. E. Boufford | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus perrara Sargent) New York State Mus. Bull. 1913. 167: 103. | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |