Abstract:A new fern species, Tectaria danangensis (Tectariaceae) from Vietnam, which had long been misreported as T. crenata, is described and illustrated. The new species resembles T. poilanei, a species long neglected in the fern flora of Indochina, in the frond shape and sori arrangement, but differs by its irregularly 2-rowed sori (versus regularly 2-rowed, distantly and evenly arranged) between lateral veins of pinnae, fronds being more or less dimorphic (versus monomorphic) and basal pinnae each with a base-joine… Show more
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