encruster

English

Etymology

From encrust +‎ -er.

Noun

encruster (plural encrusters)

1. (ecology) Any organism that encrusts part of its environment.
   • 2013, Michael J. Lace, John E. Mylroie, Coastal Karst Landforms, page 42:

     Some rock encrusters can occupy large areas and impart new morphological, biological, and geological characteristics upon the environment they settled. Probably the most widespread encrusters along karst coastlines are coralline red algae […]