Assertion: alder's bark | /r/HasProperty | covered with white lichen
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The inner bark and fresh wounds tend to turn deep reddish-orange when exposed to air and is usually covered with white lichen and moss as it ages.
text: The thin bark is generally smooth, ashy gray to grayish-brown, and is usually covered with white lichens as it ages.