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.
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.
This northern fern shows a preference for limestone-influenced areas and differs from its relatives in having fronds distributed along an extended rhizome.