| Classification | Lamiaceae: Leonurus | 
| Harvard University Herbaria Barcode(s) | 01552077 | 
| Collector | W. C. Brumbach | 
| Collector number | 3430 | 
| Country | United States of America | 
| State | Pennsylvania | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Berks County | 
| Locality | 2 mi NE of Monocacy, near Monocacy Hill | 
| Date Collected | 1942-08-30 | 
| Habitat | dry hill in an abandoned quarry | 
| Container | Plants of Berks County, Penna. | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/245083d9-a77b-4688-93ee-3dc78f071e1d | 
| Harvard University Herbaria Barcode | 01552077 | 
| Herbarium | GH | 
| Family | Lamiaceae | 
| Determination | Leonurus marrubiastrum Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |