| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 00263691 |
| Type Status | Isosyntype |
| Collector | J. H. Sandberg, D. T. MacDougal & A. A. Heller |
| Collector number | 427 |
| Country | United States of America |
| State | Idaho |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Idaho: Latah County |
| Locality | Cedar Mountain |
| Date Collected | 1892-07-17 |
| Habitat | in shady woods |
| Frequency | Frequent |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3c0be96c-60ab-4e5f-855b-66e1b42d861f |
| Harvard University Herbaria Barcode | 00263691 |
| Herbarium | A |
| Previous ownership | ex US |
| Family | Betulaceae |
| Type Status | Isosyntype |
| Isosyntype of | Alnus alnobetula var. stenophylla H. J. P. Winkler |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Taxon Reference | (for Alnus alnobetula var. stenophylla H. J. P. Winkler) Pflanzenr. [Engler] 1904. 4, Fam. 61: 107. |
| Family | Betulaceae |
| Determination | Alnus viridis subsp. sinuata (Regel) Á. Löve & D. Löve |
| Determination Remarks | [current name] |
| Family | Betulaceae |
| Determination | Alnus incana var. virescens S. Watson |
| Determination Remarks | [label name] |
| Family | Betulaceae |
| Determination | Alnus sitchensis (Regel) Sargent |
| Determined by | C. S. Sargent |
| Annotation Text | [C. S. Sargent (scripsit)] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
