| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 00657107 |
| Collector | R. J. Eaton |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | Jenney Dugan Brook |
| Date Collected | 1957-07-20 [20 July 1957] |
| Habitat | Brookside thicket |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/be70f680-96a9-42d9-b65d-3c8344872e49 |
| Harvard University Herbaria Barcode | 00657107 |
| Herbarium | NEBC |
| Family | Betulaceae |
| Determination | Alnus rugosa f. emersoniana Fernald |
| Determination Remarks | [label name] [current name] |
| Family | Betulaceae |
| Determination | Alnus incana subsp. rugosa (Du Roi) R. T. Clausen |
| Determination Remarks | [filed under] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
