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31.
Lecanora garovaglii [for Santo Garovaglio, Italian botanist,
1805-1882]. |
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This
Lecanora is easily recognized by the fact that it has
strongly developed marginal lobes which are very convex, as if
inflated. The edges of the lobes are usually blue-black, and the
apothecia are brown, with a rim the same color as the thallus (we
say the rim is thalline or lecanorine). It is abundant on
sandstones. |
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32.
Lecanora muralis [of walls]. |
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This
Lecanora forms very neat little round thalli, much smaller
than those of L. garovaglii and with the marginal lobes
quite flat instead of rounded. The apothecia are tan to brownish.
Common on sandstone. |
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