| Classification | Asteraceae: Hymenoclea |
| Classification 1 | Asteraceae: Ambrosia |
| Harvard University Herbaria Barcode(s) | 00414284 |
| Collector | M. F. Spencer |
| Collector number | 641 |
| 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 Diego |
| Locality | [No Additional Data] |
| Date Collected | 1917-10-15 |
| Verbatim Elevation | 150 ft. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b2c22500-f630-4501-89a6-3fedcd03df30 |
| Harvard University Herbaria Barcode | 00414284 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Hymenoclea monogyra Torrey & A. Gray ex A. Gray |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Ambrosia monogyra (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |