Assertion: squamulose lichen | /r/HasAspect | upper cortex
Facets:
Source sentences:
text: Crustose and squamulose lichens have only an upper cortex, with the "inside" of the lichen in direct contact with the surface they grow on (the substrate).
text: Crustose and squamulose lichens have an upper cortex, but do not have a lower cortex.