Family
Blasiaceae
Blasia pusilla. Photo: (c) Chris Poling, some rights reserved (CC BY-NC)
Blasiaceae is a family of liverworts with only two species: Blasia pusilla (a circumboreal species) and Cavicularia densa (found only in Japan). The family has traditionally been classified among the Metzgeriales, but molecular cladistics suggests a placement at the base of the Marchantiopsida.