| Classification | Asteraceae: Sonchus |
| Harvard University Herbaria Barcode(s) | 00241864 |
| Type Status | Isotype |
| Collector | T. Nuttall |
| 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 | U. Calif., St. Diego |
| Habitat | In shady ravines, among rocks |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7833e9e5-5393-4eea-9ac1-df22368c814a |
| Harvard University Herbaria Barcode | 00241864 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Sonchus tenuifolius Nuttall |
| Taxon Reference | (for Sonchus tenuifolius Nuttall) Trans. Amer. Philos. Soc. 1841. n.s. 7: 438. |
| Family | Asteraceae |
| Determination | Sonchus tenerrimus Linnaeus |
| Determined by | A. Gray |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
