A new species of Pycnolejeunea (Marchantiophyta, Lejeuneaceae) from Brazil. Cid José Passos Bastos, Charles E. Zartman. Pages 1–6.
A new species of the liverwort genus Microlejeunea (Lejeuneaceae) from Brazil. Cid José Passos Bastos, Silvana B. Vilas Bôas-Bastos. Pages 7–11.