crustose
adjUK /ˈkɹʊs.təʊs/ · US /ˈkɹʊs.toʊs/
Etymology Borrowed from Latin crustōsus (“with a hard crust”).
1
Biology, Botany, Lichenology, Natural sciences Of a lichen, growing tightly appressed to the substrate.
- Fruticose lichens drape and tuft; crustose and squamulose lichens creep and seep; foliose lichens layer and flake.2020, Merlin Sheldrake, Entangled Life, page 84:
- Derived terms
- noncrustose, subcrustose