Emery Rocktripe Lichen

Umbilicaria phaea

Summary 2

Umbilicaria phaea is a brown, umblicate foliose lichen that grows up to 6 cm in diameter, sometimes in colonies covering large patches of desert rocks.:127 One variety that grows in northern California is brilliant red. It is (monophyllous) with a single 1 - 5 cm flattish leaf-like cap on top of an anchoring stem(umblicate). The leaflike top is smooth with some lobes, roughly circular, thin, and brittle. The lower surface is light gray to light brown.

Fontes e Créditos

  1. (c) Jason Hollinger, alguns direitos reservados (CC BY), http://www.flickr.com/photos/7147684@N03/1289867490
  2. (c) Wikipedia, alguns direitos reservados (CC BY-SA), http://en.wikipedia.org/wiki/Umbilicaria_phaea

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