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This northern fern shows a preference for limestone-influenced areas and differs from its relatives in having fronds distributed along an extended rhizome. This is a close view of fronds from a plant on the east side of Glacier National Park.
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This northern fern shows a preference for limestone-influenced areas and differs from its relatives in having fronds distributed along an extended rhizome. This is a higher-resolution display of part of the companion image IM09-3577.
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An overview of this 'granite moss' growing on loose rocks on a slope in forest shows the characteristic dark color. The plants were very wet from recent heavy rain
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This northern fern shows a preference for limestone-influenced areas and differs from its relatives in having fronds distributed along an extended rhizome.
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This moss is commoner further east in California but is known from near Highway 20 in Lake County, California. This specimen was obtained there by B. Mishler and photographed by me soon after collection.
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Compilation of multiple photos taken at different points in time; taken both in field and in lab. One of the collections verfied by Jan-Peter Frahm.
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Specimens verified by David Wagner
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Specimens verified by David Wagner / Jan-Peter Frahm