Endemic to the Hawaiian Islands, this moss seems to be variable in leaf size. This form has large, flat leaves. Distichophyllum is related to the genus Hookeria.
Large moss on damp rocky ground in shade in moist forest near the Thurston Lava Tube, Hawaii Island, Sept. 20th 2010. Endemic to the Hawaiian Islands. The large pale translucent-green leaves of this beautiful moss resemble a Hookeria species, and it is in the family Hookeriaceae. Individual cells are visible at maximum resolution. This is a large form of this variable species. Image I10-2412.