Rosette lichen is the common name for Physcia, a genus of lichen-forming fungi in the family Physciaceae comprising roughly eighty species found worldwide. These foliose, lobed lichens range in color from whitish and pale greenish to green-gray or dark gray, and keep this appearance whether wet or dry. They grow on bark, wood and rock, favoring nutrient-rich conditions, and have spread rapidly through urban areas as air pollution has eased.
Facts
Classification
System (Realm) Living or Extinct Sources
1. Wikipedia: Physcia
Wikipedialead paragraph (habitat realm), EntityId 343195Quote, lead paragraph (habitat realm), EntityId 343195
Physcia lichens typically grow on bark, on wood, or rock, although they have occasionally been recorded dwelling on man-made structures.
2. Rosette lichen (Wikipedia)
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