| Classification | Betulaceae: Alnus |
| Harvard University Herbaria Barcode(s) | 00263687 |
| Type Status | Isosyntype |
| Collector | Edw. Palmer |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Diego County: San Felipe |
| Date Collected | 1875 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d04d044d-790e-4817-8b51-28295836728d |
| Harvard University Herbaria Barcode | 00263687 |
| Herbarium | GH |
| Family | Betulaceae |
| Type Status | Isosyntype |
| Isosyntype of | Alnus rhombifolia var. ovalis H. J. P. Winkler |
| Verified by | P. K. Holmgren |
| Date Determined | 2008 |
| Taxon Reference | (for Alnus rhombifolia var. ovalis H. J. P. Winkler) Pflanzenr. [Engler] 1904. 4, Fam. 61: 115.. |
| Family | Betulaceae |
| Determination | Alnus rhombifolia Nuttall |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
