| Classification | Orobanchaceae: Castilleja | 
| Harvard University Herbaria Barcode(s) | 01877738 | 
| Collector | F. W. Pennell | 
| Collector number | 20526 | 
| Country | United States of America | 
| State | Montana | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Montana: Powell County | 
| Locality | just west of summit of McDonald Pass, Continental Divide | 
| Date Collected | 1937-06-23 | 
| Verbatim Elevation | 6100 f. | 
| Habitat | Grassy soil | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/48e52288-de80-4130-89fe-352d7992b26e | 
| Harvard University Herbaria Barcode | 01877738 | 
| Herbarium | GH | 
| Previous ownership | [ex] The Academy of Natural Sciences of Philadelphia | 
| Family | Orobanchaceae | 
| Determination | Castilleja lutea A. Heller | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |