Asplenium species?- Thiruvananthapuram, Kerala

Requesting a fern id.: 2 high res. images. 2/10/2021 IISER campus adjoining Agasthyamalai biosphere reserve, Thiruvananthapuram. Herb Fern clumped up with strap shaped leaves, seen growing near rock crevices. Any chance Pyrrosia Sorry – an immature sterile plant – could be anything.  Try to find a large fertile plant. It may turn out to be […]

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