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epiphloedal

American  
[ep-uh-fleed-l] / ˌɛp əˈflid l /
Or epiphloedic

adjective

Mycology.
  1. growing on bark, as a lichen.


Etymology

Origin of epiphloedal

epi- + Greek phloi ( ós ) bark of trees + hiatus-filling -d- + -al 1