| Classification | Lamiaceae: Pycnanthemum | 
| Harvard University Herbaria Barcode(s) | 01596148 | 
| Collector | C. B. Hellquist & L. Crouch | 
| Collector number | 12844 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Marshall County | 
| Locality | in area locally known as "Happy Hollow" 8.0 miles south of Kingston, Sec. 6, T8S, R6E | 
| Date Collected | 1978-06-28 | 
| Habitat | Shore of stream | 
| Container | Flora of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/53e8751b-fa8e-4684-8296-e76ccdbefbb1 | 
| Harvard University Herbaria Barcode | 01596148 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of Boston State College, Boston, Massachusetts; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) | 
| Family | Lamiaceae | 
| Determination | Pycnanthemum tenuifolium Schrader | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |