Answer the following question: Pediocactus sileri - Pediocactus sileri is a rare species of cactus known by the common names Siler's pincushion cactus and gypsum cactus (or gypsum plains cactus). It is native to southwestern Utah and northwestern Arizona in the United States. It is limited to a specific type of soil individuals are often spaced far apart and the species is threatened by a number of human activities such as off-road vehicle use poaching and uranium mining. This is a federally listed threatened species of the United States. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Plant