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65.
Icmadophila ericetorum [of heaths]. |
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Thallus a
pale gray or white sheet overgrowing soft (punky) rotting wood in
moist forests. The thallus is undifferentiated, not composed of
discrete areoles. The apothecia are pink! There is nothing else
like this. When well developed, the thallus can be a foot or more
in diameter. |
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66.
Leprocaulon gracilescens [slender]. |
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An
extremely delicate and brittle, slender white fruticose lichen with
little knotty branches, growing in more or less tightly packed
groups in crevices of granite rocks. Apothecia are unknown. A
similar, smaller species with a distinctly green thallus is L.
microscopicum, in similar sites. A third species, L.
subalbicans, is white, and grows in tufts of mosses in the
alpine tundra. |
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