Which of the plants has more common names? Psilotum or Conophytum
Psilotum: Psilotum is a genus of fern-like vascular plants, commonly known as whisk ferns. Conophytum:  The plants are also known as knopies (buttons), waterblasies (water blisters), sphaeroids, conos, cone plants, dumplings, or button plants.
i don't know