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ISHS Acta Horticulturae 615: IV International Conifer Conference

MOLECULAR PHYLOGENY OF PINACEAE AND PINUS

Authors:   A. Liston, D.S. Gernandt, T.F. Vining, C.S. Campbell, D. Piñero
Keywords:   generic relationships, Larix, molecular phylogeny, Pinaceae, Pinus, Pseudotsuga, Tsuga
DOI:   10.17660/ActaHortic.2003.615.7
Abstract:
Molecular phylogenetic reconstructions of Pinaceae based on immunological approaches plus nuclear and organellar DNA sequences consistently resolve the generic pairs Larix Pseudotsuga and Abies Keteleeria. In most analyses Pseudolarix and Tsuga (including Nothotsuga) form a clade that is sister to the Abies - Keteleeria clade, and Cathaya, Picea, and Pinus make up an unresolved trichotomy. The position of Cedrus remains problematic; molecular evidence supports a basal position in the family. Within Pinaceae genera, molecular phylogenetic reconstructions have markedly improved our understanding of species relationships and biogeography in Pinus, Larix, Pseudotsuga, and Tsuga.

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