| Classification | Asteraceae: Senecio |
| Classification 1 | Asteraceae: Packera |
| Harvard University Herbaria Barcode(s) | 00011935 |
| Type Status | Isotype |
| Collector | E. B. Payson & L. E. B. Payson |
| Collector number | 2146 |
| Country | United States of America |
| State | Wyoming |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Wyoming |
| Locality | Teton Pass Mountains, east of Victor, Idaho |
| Date Collected | 1920-07-25 |
| Elevation | 2743 m |
| Verbatim Elevation | 9000 ft. |
| Habitat | Calcareous slopes |
| Container | Plants of Wyoming |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7a2d614a-8e08-45d7-ad89-312a8a732e6a |
| Harvard University Herbaria Barcode | 00011935 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Senecio dimorphophyllus var. paysoni T. M. Barkley |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Senecio dimorphophyllus var. paysoni T. M. Barkley) Trans. Kansas Acad. Sci. 1963. 65: 362. |
| Family | Asteraceae |
| Determination | Packera dimorphophylla var. paysonii (T. M. Barkley) Trock & T. M. Barkley |
| Determined by | Trock, Debra Kay |
| Date Determined | 2019-02-** |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Senecio dimorphophyllus var. paysoni T. M. Barkley |
| Determined by | Barkley, Theodore Mitchell |
| Date Determined | 1960 |
| Annotation Text | Isotype |
| Family | Asteraceae |
| Determination | Senecio dimorphophyllus Greene |
| Determined by | Greenman, Jesse More |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
