What is "pseudelephantopus"

Pseudelephantopus is a genus of flowering plants in the daisy family described as a genus in 1792.

There is only one recognized species, Pseudelephantopus spicatus, native to Mesoamerica, South America, and the West Indies; naturalized in Florida, parts of Asia, and some islands in the Pacific. Dog's-tongue is a common name for this species.