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.