| Classification | Asteraceae: Ambrosia |
| Harvard University Herbaria Barcode(s) | 00404927 |
| Collector | M. F. Spencer |
| Collector number | 910 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Diego County |
| Locality | Hillside near San Diego |
| Date Collected | 1919-03-30 [March 30, 1919 Nov 1918 (fruit)] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7bc7af35-2da5-43e1-aab1-a9607b411369 |
| Harvard University Herbaria Barcode | 00404927 |
| Herbarium | GH |
| Determination | |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Ambrosia arborescens Miller |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
