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The paper deals with the ecological distribution and enumeration of species of ferns and fern-allies from the Dalhousie hills covering an area of 170 sq. km and altitudinal range between 600-3,000 m. A total of 88 species of ferns and 6 of fern-allies have been reported. Athyrium proliferum, A. gymnogrammoides, A. mackinnoni and Polypodium sub-amoenum are first records from the area.
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Mehra et al. (2024) studied this question.
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