Acaulon

Acaulon is a genus of mosses belonging to the family Pottiaceae.

Species:
 * Acaulon apiculatum Mitt.
 * Acaulon capense Müll.Hal.
 * Acaulon casasianum Brugués & H.A.Crum
 * Acaulon muticum (Schreb. ex Hedw.) Müll. Hal.