Climaciaceae
Links to information about the specimens in the American Bryophyte Catalogue of The New York Botanical Garden.
Climacium americanum
A photograph of the dendroid gametophyte.
Climacium dendroides
A description of the habitat in which this species grows in Wales, along with a photograph of the gametophyte.
Climacium dendroides
http://www.funet.fi/pub/sci/bio/life/plants/bryophyta/bryopsida/bryales/climaciaceae/climacium/dendr
A photograph of the gametophyte.