Monographs Details: Fissidens lagenarius Mitt.
Authority: Pursell, Ronald A. 2007. Fissidentaceae. Fl. Neotrop. Monogr. 101 (Published by NYBG Press)
Discussion:Key to the Varieties of Fissidens lagenarius

1. Laminai cells mammillose; margin weakly

serrulate 63a. var. lagenarius (p. 178).

1. Laminai cells unipapillose; papillae long,

± branched; margin strongly serrulate

63b. var. muriculatus (p. 181).