| Classification | Betulaceae: Alnus | 
| Harvard University Herbaria Barcode(s) | 02197590 | 
| Collector | J. W. Adams & E. T. Wherry | 
| Collector number | 2228 | 
| Country | United States of America | 
| State | Virginia | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Louisa County | 
| Locality | Central Virginia; about 2 mi. n.e. of Mechanicsville | 
| Date Collected | 1935-09-06 | 
| Habitat | swampy thicket along South Anna River | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f37ba92c-0148-4b3a-97c2-f579ad8d55b1 | 
| Harvard University Herbaria Barcode | 02197590 | 
| Herbarium | GH | 
| Previous ownership | [ex] The Herbarium of the University of Pennsylvania; [ex] Herbarium of the Morris Arboretum University of Pennsylvania | 
| Family | Betulaceae | 
| Determination | Alnus serrulata (Aiton) Willdenow | 
| Determined by | Furlow, John Jacob | 
| Date Determined | 1974 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |