| Classification | Betulaceae: Alnus | 
| Barcode(s) | 02198257 | 
| Collector | A. MacElwee | 
| Collector number | 2141 | 
| Country | United States of America | 
| State | Pennsylvania | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Philadelphia County | 
| Locality | on Indian River, West Philadelphia | 
| Date Collected | 1901-04-07 | 
| Habitat | in swamps | 
| Container | Flora of Pennsylvania | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0f992bd4-ebab-4e4d-a4da-554c0e9a320d | 
| Harvard University Herbaria Barcode | 02198257 | 
| Herbarium | GH | 
| Previous ownership | Ex Herbarium of The Philadelphia Museums | 
| Family | Betulaceae | 
| Determination |  Alnus glutinosa (Linnaeus) Gaertner | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |