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Plagiochila lamyana, a new liverwort species from the Guayana Highland of Brazil

Robbert GRADSTEIN & Denise Pinheiro DA COSTA

en Cryptogamie, Bryologie 39 (2) - Pages 147-153

Publié le 27 avril 2018

Plagiochila lamyana, a new liverwort species from the Guayana Highland of Brazil

The liverwort Plagiochila lamyana Gradst. & D.P.Costa sp. nov. is described from Mount Roraima National Park, Brazil. The new species is a member of P. sect. adianthoideae and differs from other species in this group by the narrowly elongate leaves with a bifid apex and subentire margins, large radiating trigones and opposite male bracteoles not overlapping. The new species is a further addition to the rich endemic flora of the Guayana Highland.


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