Pseudogynoxys cummingii is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of the genus Pseudogynoxys

Pseudogynoxys

Pseudogynoxys is a genus of flowering plant in the Asteraceae family.It contains the following species:* Pseudogynoxys benthamii Cabrera* Pseudogynoxys chenopodioides Cabrera** Senecio chenopodioides Kunth...

and family Asteraceae

Asteraceae

The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

. According to the photographer of this photograph, it is also one of three species of Pseudogynoxys

Pseudogynoxys

Pseudogynoxys is a genus of flowering plant in the Asteraceae family.It contains the following species:* Pseudogynoxys benthamii Cabrera* Pseudogynoxys chenopodioides Cabrera** Senecio chenopodioides Kunth...

that are known in cultivation.
However, Missouri Botanical Gardens claims it is a synonym of Pseudogynoxys benthamii

Pseudogynoxys benthamii

Pseudogynoxys benthamii is a species of the genus Pseudogynoxys and family Asteraceae. It is a native of Argentina, Bolivia and Paraguay....

, which Spanish Wikipedia claims is on the IUCN Red List

IUCN Red List

The IUCN Red List of Threatened Species , founded in 1963, is the world's most comprehensive inventory of the global conservation status of biological species. The International Union for Conservation of Nature is the world's main authority on the conservation status of species...

but a search there does not support this.