| Classification | Rosaceae: Crataegus |
| Barcode(s) | 01615615 |
| Collector | K. M. Wiegand & M. C. Wiegand |
| Collector number | 939 |
| Country | United States of America |
| State | Colorado |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Boulder County |
| Locality | Route 7, 3 miles west of Lyons |
| Date Collected | 1935-06-11 |
| Habitat | Stream bank |
| Container | Plants of Colorado |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/db66d26b-634a-4fdc-9b1a-9f4ec9c575bc |
| Harvard University Herbaria Barcode | 01615615 |
| Herbarium | GH |
| Previous ownership | ex Dept. of Botany, Cornell University, Ithaca, N. Y. |
| Family | Rosaceae |
| Determination | Crataegus macracantha var. occidentalis (Britton) Eggleston |
| Determined by | [data not captured] |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
