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

1. Limbidium not extending more than 2/3 the length of the vaginant laminae, usually much less

var. guianensis (p. 141).

1. Limbidium extending the entire length or nearly so of the vaginant laminae and often a short distance onto the adjoining ventral lamina var. pacaas-novosensis (p. 143).