| Classification | Bignoniaceae: Catalpa | 
| Harvard University Herbaria Barcode(s) | 02054748 | 
| Collector | G. M. Merrill | 
| Collector number | 506 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Murray County | 
| Locality | Sulphur | 
| Date Collected | 1935-05-27 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/41ca551b-dbc5-4e9c-a06d-d5d1d10427cd | 
| Harvard University Herbaria Barcode | 02054748 | 
| Herbarium | A | 
| Previous ownership | [ex] Herbarium of Platt National Park | 
| Family | Bignoniaceae | 
| Determination | Catalpa bignonioides Walter | 
| Determined by | Palmer, Ernest Jesse | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |