se United States, Mexico, West Indies, Central America, South America, Asia, Africa, Pacific Islands, Australia, tropical and subtropical areas, especially southern temperate regions.
Genera 8, species ca. 40 (1 in the flora).
Rhizogoniaceae is distinguished by the position of the sporophytes in the basal half or at the base of the erect stems. In this treatment a somewhat traditional circumscription of Rhizogoniaceae has been maintained. A narrower concept of the family is given by B. Goffinet et al. (2008) recognizing five genera.