Fissidentaceae

Diagnosis: Plants medium-sized, 5-14 mm tall. Leaves 0.9-1.5 x 0.3 mm, apex acute, vaginant laminae equal, ca. 1/3 the leaf length; margins crenulate-serrulate, limbate on all vaginant laminae, extending onto lower part of ventral laminae; costa percurrent to short excurrent; cells rounded-hexagonal, 4-7 µm, pluripapillose.

Distribution: Mexico; Central America; Caribbean, Western and Northern South America, Brazil

Ecology: Along streams on soil and rocks at low to medium elevations.

Basionym: Conomitrium intromarginatum Hampe

Basionym Citation: Linnaea 31: 531. 1862.

Type Locality: Colombia

Type Collection: Lindig 2149

Types Deposited at: Holotype: NY

Other Published Figures: W. C. Steere. 1936. Hancock Pacific Expeditions (Univ. of Southern California Publ.) 3(1): 1-12. plate 1, as F. hancockianus; B. Willis. 1939. Bryoogist 42: 152-158. fig. 1 a-d, as F. willisiae; R. A. Pursell. 1984. J. Hattori Bot. Lab. 55: 235-252. figs. 1-3.