| Classification | Rosaceae: Crataegus | 
| Harvard University Herbaria Barcode(s) | 00016653 | 
| Type Status | Isotype | 
| Collector | C. V. Piper | 
| Collector number | 1535 | 
| Country | United States of America | 
| State | Washington | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Washington: Whitman County: Pullman | 
| Date Collected | 1894-09-** | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4abde412-a649-41c0-ab4d-9438681dc4d3 | 
| Harvard University Herbaria Barcode | 00016653 | 
| Herbarium | A | 
| Family | Rosaceae | 
| Type Status | Isotype | 
| Isotype of | Crataegus piperi Britton | 
| Verified by | D. E. Boufford | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Crataegus piperi Britton) Torreya 1901. 1: 55. | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |