| Classification | Asteraceae: Senecio |
| Classification 1 | Asteraceae: Packera |
| Barcode(s) | 00011965 |
| Type Status | Isotype |
| Collector | M. K. Layne |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: El Dorado County |
| Locality | Sweetwater Cr. |
| Date Collected | 1883-08-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/88f5d4bd-0eef-4777-b46e-733b597d2e91 |
| Harvard University Herbaria Barcode | 00011965 |
| Herbarium | GH |
| Previous ownership | [Ex] California Academy of Sciences. Botanical Section. |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Senecio layneae Greene |
| Verified by | Barkley, Theodore Mitchell |
| Date Determined | 1973 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Senecio layneae Greene) Bull. Torrey Bot. Club 1883. 10: 87. |
| Family | Asteraceae |
| Determination | Packera layneae (Greene) W. A. Weber & Á. Löve |
| Determined by | Trock, Debra Kay |
| Date Determined | 2019-03-** |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Senecio layneae Greene |
| Determined by | [A. Gray (scripsit) W. T. Kittredge, 2019] |
| Annotation Text | Syn. Fl. N. Amer. |
| Family | Asteraceae |
| Determination | Senecio layneae Greene |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Senecio fastigiatus var. layneae (Greene) A. Gray |
| Determined by | [A. Gray (scripsit) W. T. Kittredge, 2019] |
| Annotation Text | Syn. Fl. N. Amer. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
