| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 00401352 |
| Collector | L. S. Rose |
| Collector number | 38307 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: Contra Costa County |
| Locality | Marsh Creek, 6 mi. e. of Clayton |
| Date Collected | 1938-10-28 |
| Verbatim Elevation | 500 ft. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2b010fc2-8164-493e-af8e-2fe13be9d7c5 |
| Harvard University Herbaria Barcode | 00401352 |
| Herbarium | GH |
| Family | Betulaceae |
| Determination | Alnus rhombifolia Nuttall |
| Determination Remarks | [is filed under name] |
| Family | Betulaceae |
| Determination | Alnus rhombifolia Nuttall |
| Determination Remarks | [0] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
