Assertion: lichen's cortex | /r/HasProperty | upper
Facets:
Source sentences:
text: Foliose lichens have an upper cortex on the top side of the "leaf", and a separate lower cortex on the bottom side.
text: Foliose lichens have an upper and lower cortex.
text: Foliose lichen are characterised by flattened leafy thalli, and an upper and lower cortex.
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.