Malacothrix junakii is a rare species of flowering plant in the aster family known by the common names Anacapa Island desert-dandelion, Junak's desertdandelion, and Junak's malacothrix. It is endemic to Anacapa Island, one of the Channel Islands of California, where it is known from just two occurrences. It occurs in the coastal scrub of the island. It was described to science as a new species in 1997. This rare species faces threats from introduced plant species on the island.