On the bases of about 1,000 specimens collected from Nishitanzawa, west of Kanagawa, 118 species are recorded. Taxa of phytogeographic interest include Acrobolbus ciliatus, Spruceanthus semirepandus, Radula cavifolia, Lejeunea curviloba, L. kodamae, Cololejeunea denticulata and Calycularia crispula.
