Assertion: lichen's substrate | /r/HasProperty | rock
Facets:
value: throughout the intertidal zone
type: LOCATION
value: generally
type: DEGREE
Source sentences:
text: Crustose lichens grow holding tightly to their substrates, which may be rocks or trees.
text: Instead of many rhizines, some lichens have a central peg or holdfast that attach to the substrate, generally a rock.
text: Substrate: the surface the lichen is attached to: can be rock, bark, cement signs, trees, or basically anything.
text: The most common natural substrates are trees, rocks, and soil.
text: The substrate can be rocks throughout the intertidal zone, or, as in the case of the Corallinales, reef-building corals, and other living organisms including plants, such as mangroves and animals such as shelled molluscs.