| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 02198646 |
| Collector | J. W. Adams & M. L. T. Adams |
| Collector number | 3045 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Perry County |
| Locality | n. slope of Mahanoy Ridge, 0.5 mi SE of Bloomfield Junction |
| Date Collected | 1936-09-06 |
| Habitat | dry, wooded n. slope |
| Container | South-Central Pennsylvania |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6d8b98e5-5b41-44aa-add6-bd9bc13a4266 |
| Harvard University Herbaria Barcode | 02198646 |
| Herbarium | A |
| Previous ownership | Ex Herbarium of the Morris Arboretum |
| Family | Betulaceae |
| Determination | Alnus incana subsp. rugosa (Du Roi) R. T. Clausen |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
