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17.
Melanelia (Parmelia) subolivacea [somewhat
olive-colored]. |
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The old
genus Parmelia has recently been broken up into a large
number of genera, of which this is one of the so-called "brown
Parmelias". This species is very abundant on the bark and twigs of
conifers. A few other species occur on conifer bark, and several
are found on rocks. |
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18.
Nephroma parile [equal]. |
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A brown
lichen with soredia along the margins and on the surface. Resembles
Peltigera, but the apothecia are borne on the undersides of
the thallus lobes, and the underside is bare (lacking
veins). |
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