| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 00354723 |
| Collector | Sydney Harris |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County |
| Locality | Middlesex Fells [Reservation] |
| Date Collected | 1895-04-19 |
| Project | Metropolitan Park Flora |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fa5a4ac5-41af-4155-bda1-300435a0d54a |
| Harvard University Herbaria Barcode | 00354723 |
| Herbarium | NEBC |
| Family | Betulaceae |
| Determination | Alnus incana subsp. rugosa (Du Roi) R. T. Clausen |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2012 |
| Determination Remarks | [current name] |
| Family | Betulaceae |
| Determination | Alnus incana (Linnaeus) Moench |
| Determination Remarks | [label name] |
| Family | Betulaceae |
| Determination | Alnus serrulata (Aiton) Willdenow |
| Determined by | [annotation on sheet] |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |