| Classification | Onagraceae: Calylophus | 
| Harvard University Herbaria Barcode(s) | 01625032 | 
| Collector | H. C. Hanson | 
| Collector number | 771 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas | 
| Locality | along the Rio Grande from Brownsville to El Paso; Pecos | 
| Date Collected | 1919-07-19 | 
| Habitat | slight depressions in plains | 
| Container | Plants of Western Texas Chiefly along the Rio Grande from Brownsville to El Paso | 
| Frequency | Frequent | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f7157d7b-bb8b-4f80-8b5e-29ba99f80996 | 
| Harvard University Herbaria Barcode | 01625032 | 
| Herbarium | GH | 
| Family | Onagraceae | 
| Determination | Calylophus tubiculus (A. Gray) P. H. Raven | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |