Pycnolejeunea densistipula (Lehm. & Lindenb.) Steph.

Notes. – An uncommon neotropical species occurring in southeastern Brazil and the Ecuadorian Andes, where it is known from Reserva Biológica San Francisco, Zamora Chinchipe (PAROLLY et al., 2004) and Gualaquiza, where Allioni found it along the Río San Francisco.