| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 02198754 |
| Collector | A. E. Porsild |
| Collector number | 16556 |
| Country | Canada |
| State | Northwest Territories |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Northwest Territories |
| Locality | Mackenzie R.; riverbank above Providence |
| Date Collected | 1937-07-04 |
| Habitat | gravelly riverbank |
| Container | Flora of Northwest Territories |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fc8d6481-96c3-4dba-84f2-974407abda7a |
| Harvard University Herbaria Barcode | 02198754 |
| Herbarium | GH |
| Previous ownership | [ex] National Herbarium of Canada; Dupl. ex. Herb. Nat. Mus. Canada |
| Family | Betulaceae |
| Determination | Alnus incana subsp. tenuifolia (Nuttall) Breitung |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
