Children (6 direct children, 289 direct and indirect children):
Riccia
(tree size 265)
Riccia l.
Ricciocarpos
(tree size 2)
Ricciocarpus
Ricciella
(tree size 14)
Thallocarpus
(tree size 1)
Ricciellopsis
Ricciocarpus
(tree size 1)