| Classification | Betulaceae: Alnus |
| Complex Object | This is a complex collection object (3 items with 1 preparation) |
| Harvard University Herbaria Barcode(s) | 00872941 |
| Other Barcodes on Sheet | ; ; |
| Collector | H. D. Thoreau |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Piscataquis County: Chesuncook |
| Locality | Caucomgomoc ["J. Parker Huber in his The Wildest Country a Guide to Thoreau's Maine (1981, page 48) pinpoints the site of Thoreau's camp that day on the southern side of the river right where it empties into Chesuncook Lake" fide R. L. Angelo (in litt.)] |
| Date Collected | 1857 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7e590302-17ac-40db-92a8-913d03de4f06 |
| Harvard University Herbaria Barcode | 00872941 |
| Herbarium | GH |
| Family | Betulaceae |
| Determination | Alnus incana subsp. rugosa (Du Roi) R. T. Clausen |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [current name] |
| Family | Betulaceae |
| Determination | Alnus incana (Linnaeus) Moench |
| Determination Remarks | [label name] |
| Subcollection | Thoreau Herbarium |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Description | [A. incana] |
