Umbilicate Lichen
An umbilicate lichen is a lichen that is only attached to its substrate at a single point.Lichen Vocabulary, LICHENS OF NORTH AMERICA, Sylvia and Stephen Sharnoff/ref> An example is '' Lasallia papulosa''. References Lichenology {{lichen-stub ...
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Lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Introduction to Lichens – An Alliance between Kingdoms
. University of California Museum of Paleontology. Lichens have properties different from those of their component organisms. They come in many colors, sizes, and forms and are sometimes plant-like, but are not plants. They may have tiny, leafless branches ( fruticose); flat leaf-like structures ( foliose); grow crust ...
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Lasallia Papulosa
''Lasallia papulosa'' (common toadskin) is an umbilicate lichen (a lichen attached to its substrate at a single point).Lichen Vocabulary, LICHENS OF NORTH AMERICA, Sylvia and Stephen Sharnoff It is in the family Umbilicariaceae. References Lichens described in 1810 Umbilicariales Lichen species Taxa named by Erik Acharius {{Lecanoromycetes-stub ...
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