| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 00033665 |
| Type Status | Isotype |
| Collector | T. Nuttall |
| Country | United States of America |
| Geography | North America: North America (CA, US, MX) (Region): United States of America |
| Locality | Rocky and Blue Mountains |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6de29b10-8ee2-40d2-8d86-63d4952f0314 |
| Harvard University Herbaria Barcode | 00033665 |
| Herbarium | GH |
| Family | Betulaceae |
| Type Status | Isotype |
| Isotype of | Alnus tenuifolia Nuttall |
| Family | Betulaceae |
| Determination | Alnus incana subsp. tenuifolia (Nuttall) Breitung |
| Determined by | J. J. Furlow |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
