Tree moss is a common name for several organisms and may refer to:
*''
Climacium'', a genus of mosses which resemble miniature trees
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Climacium dendroides'', a common species of ''Climacium''
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Evernia'', a genus of lichens which grow on trees
*''
Usnea
''Usnea'' is a genus of mostly pale grayish-green fruticose lichens that grow like leafless mini-shrubs or tassels anchored on bark or twigs.Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, The genus is in the f ...
'', a genus of lichens which grow on trees
{{Fungus common name