| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 00657105 |
| Collector | J. S. Jack |
| 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 | Concord |
| Date Collected | 1919-10-28 [Oct. 28, 1919] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c4b02a78-38a0-48df-ba3e-4a74a47c96f0 |
| Harvard University Herbaria Barcode | 00657105 |
| Herbarium | A |
| Family | Betulaceae |
| Determination | Alnus incana subsp. rugosa (Du Roi) R. T. Clausen |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
