| Classification | Fabaceae: Lathyrus | 
| Harvard University Herbaria Barcode(s) | 02148526 | 
| Collector | E. B. Payson | 
| Collector number | 312 | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado | 
| Locality | Southwestern Colorado | 
| Date Collected | 1914-05-16 | 
| Verbatim Elevation | 5400 ft | 
| Habitat | Clay hillside | 
| Container | Plants of Southwestern Colorado | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/55fc7ce0-6032-4a15-a29a-59818272d74c | 
| Harvard University Herbaria Barcode | 02148526 | 
| Herbarium | GH | 
| Previous ownership | From the Rocky Mountain Herbarium, University of Wyoming, Laramie | 
| Family | Fabaceae | 
| Determination | Lathyrus brachycalyx subsp. eucosmus (Butters & H. St. John) S. L. Welsh | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |