| Classification | Orobanchaceae: Castilleja | 
| Harvard University Herbaria Barcode(s) | 01879265 | 
| Collector | F. W. Pennell | 
| Collector number | 24955 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Val Verde County | 
| Locality | Route 90; Comstock | 
| Date Collected | 1940-03-23 | 
| Verbatim Elevation | 1500 ft. | 
| Habitat | White adobe calcareous soil | 
| Container | Texas | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4ee07000-bb5f-409c-97a9-d2d3139e9d9d | 
| Harvard University Herbaria Barcode | 01879265 | 
| Herbarium | GH | 
| Previous ownership | [ex] Academy of Natural Sciences of Philadelphia | 
| Family | Orobanchaceae | 
| Determination | Castilleja sessiliflora Pursh | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |