| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 02197337 |
| Collector | E. P. Killip |
| Collector number | 6991 |
| Country | United States of America |
| State | Maryland |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Prince Georges County |
| Locality | Powder Mill bogs, 2 miles west of Beltsville |
| Date Collected | 1919-11-11 |
| Container | Plants of Maryland |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/75ea6a65-15a2-4938-9e6e-af7944efc584 |
| Harvard University Herbaria Barcode | 02197337 |
| Herbarium | A |
| Family | Betulaceae |
| Determination | Alnus serrulata (Aiton) Willdenow |
| Determined by | Stibolt, Virginia Mallison |
| Date Determined | 1977-10-** |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
