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ITS sequences of nuclear ribosomal DNA support the generic placement and the disjunct range of Plagiochila (Adelanthus) carringtonii

Carsten RENKER, Jochen HEINRICHS, Thomas PRÖSCHOLD, Henk GROTH & Ingo HOLZ

en Cryptogamie, Bryologie 23 (1) - Pages 23-29

Published on 25 January 2002

According to phylogenetic analyses of nrDNA ITS1 and ITS2 sequences (including the 5.8S unit) Plagiochila carringtonii and P. carringtonii subsp. lobuchensis form a monophyletic lineage. Plagiochila carringtonii is sister to P. sandei, type species of P. sect. Cucullatae, and is placed in a clade with P. asplenioides and P. porelloides of sect. Plagiochila. A placement of Plagiochila (Adelanthus) carringtonii in another genus is clearly rejected by Kishino-Hasegawa-tests. Infraspecific ITS variation in Plagiochila can be high and potentially provides a tool for the analysis of dispersal events.


Keywords:

Jungermanniales, Plagiochilaceae, Plagiochila sect. Carringtoniae, nuclear ribosomal DNA, internal transcribed spacer

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RENKER C., HEINRICHS J., PRÖSCHOLD T., GROTH H. & HOLZ I. 2002. — ITS sequences of nuclear ribosomal DNA support the generic placement and the disjunct range of Plagiochila (Adelanthus) carringtonii. Cryptogamie, Bryologie 2002 (1): 23-29.