Dryopteris nigropaleaceaDryopteris nigropaleacea is a species of perennial leptosporangiate fern endemic to parts of Afghanistan, Pakistan, western Nepal, and Himachal Pradesh and Uttar Pradesh in India.SynonymsDryopteris juxtaposita subsp. nigropaleacea KhullarDryopteris pallida subsp. nigropaleacea Fraser-Jenk.