Hecistopteris kaieteurensis is a tiny fern in the family Pteridaceae and endemic to the drift zone of Kaieteur Falls on the Kaieteur Plateau (a tepui) in Guyana. It does not exceed length and is very lightly constructed. It was discovered in 1997 by Gregory S. McKey of the Smithsonian Institution. Correspondance with Gregory S. McKey, Cryptogamic Botany Specialist, Smithsonian Institution, Washington, D.C.RTP Photo Gallery at https://www.nmnh.si.edu/rtp/students/2003/gallery03.htm access-date=May 30, 2006
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