Which of the plants has more common names? Psilotum or Conophytum
Conophytum: Conophytum is a genus of South African and Namibian succulent plants that belong to the Aizoaceae family. Conophytum:  The plants are also known as knopies (buttons), waterblasies (water blisters), sphaeroids, conos, cone plants, dumplings, or button plants.
i don't know