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Molecular phylogeny and systematics of the Lilium carniolicum group (Liliaceae) based on nuclear ITS sequences

The Lilium carniolicum group consists of several taxonomically dubious taxa endemic to the European flora. Internal transcribed spacer (ITS) sequences of nuclear ribosomal DNA (nrDNA) were used to clarify both the delineation of, and relationships among, taxa in the group as well as to provide insight on the phylogenetic position of the group within the genus. Maximum parsimony, maximum likelihood and Bayesian analyses were in general agreement, with all taxa in the group being very closely related, and the entire group being monophyletic. L. pyrenaicum and L. pomponium are placed at the basal position in the group, while L. chalcedonicum is shown to be more closely related to L. carniolicum than previously thought. Our analyses suggested that L. albanicum and L. jankae are distinct from L. carniolicum, while no evidence was found to support the same separation for L. bosniacum.

Lilium carniolicum group; Liriotypus; phylogeny; ITS; systematics

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