Revealing a cryptic fern distribution through DNA sequencing: Pityrogramma trifoliata in the Western Andes of Peru

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2013-01-01

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Abstract

Fern identification usually requires the use of mature sporophytes, since attempts to identify juveniles using morphological traits often provides unsatisfactory results. Here we examined young sporophytes found among boulders in a river basin of a xeric valley in central Peru. Attempts to identify these sporophytes first pointed to four different genera, two in Pteridaceae (Anogramma and Pityrogramma), and the others in Aspleniaceae (Asplenium) and Cystopteridaceae (Cystopteris). Here, we resolved this puzzle combining morphology and sequences of DNA (rbcL and trnG-R) that point to Pityrogramma trifoliata of Pteridaceae.

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Science & Technology, Life Sciences & Biomedicine, Plant Sciences, Andes, DNA sequencing, Pityrogramma, young sporophytes, RADIATA PTERIDACEAE, GAMETOPHYTES, PHYLOGENY, REVISION

Citation

Published Version (Please cite this version)

10.1640/0002-8444-103.1.40

Publication Info

León, B, CJ Rothfels, M Arakaki, KR Young and KM Pryer (2013). Revealing a cryptic fern distribution through DNA sequencing: Pityrogramma trifoliata in the Western Andes of Peru. American Fern Journal, 103(1). pp. 40–48. 10.1640/0002-8444-103.1.40 Retrieved from https://hdl.handle.net/10161/21770.

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Scholars@Duke

Pryer

Kathleen M. Pryer

Professor of Biology

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