| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 02198755 |
| Collector | A. E. Porsild |
| Collector number | 16877 |
| Country | Canada |
| State | Northwest Territories |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Northwest Territories |
| Locality | Mackenzie Delta: East Branch; Caribou Hills between 68-40 and 68-50 |
| Date Collected | 1947-08-15 |
| Habitat | steep wooded escarpment |
| Container | Flora of Northwest Territories |
| Frequency | very scarce here |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/45c6d53f-3b9a-4cca-93c4-fc6a04f076c0 |
| Harvard University Herbaria Barcode | 02198755 |
| 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 | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
