| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 02197339 |
| Collector | R. R. Tatnall |
| Collector number | 4771 |
| Country | United States of America |
| State | Maryland |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Cecil County |
| Locality | Near shore of Susquehanna River, 1 mile SSW of Rowlandsville. |
| Date Collected | 1940-10-19 |
| Container | Flora of the Peninsula of Delaware, Maryland and Virginia |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/60fb3ba4-065f-4701-abdd-0d53023a89a4 |
| Harvard University Herbaria Barcode | 02197339 |
| Herbarium | GH |
| 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 |
