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Per Ola Karis
Researcher at Stockholm University
Publications - 25
Citations - 532
Per Ola Karis is an academic researcher from Stockholm University. The author has contributed to research in topics: Monophyly & Gnaphalieae. The author has an hindex of 12, co-authored 25 publications receiving 507 citations. Previous affiliations of Per Ola Karis include Swedish Museum of Natural History.
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Molecular phylogeny of the Caryophyllaceae (Caryophyllales) inferred from chloroplast matK and nuclear rDNA ITS sequences
TL;DR: This work investigates the phylogeny of the Caryophyllaceae by means of analyzing plastid and nuclear sequence data with parsimony and Bayesian methods and describes a mode of tracing a stable phylogenetic signal in ITS sequences.
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Phylogenetic analysis of the cichorioideae (Asteraceae) with emphasis on the Mutisieae
TL;DR: A cladistic analysis of 53 taxa from Asteraceae using 72 characters of mainly morphological data reveals subfamily Cichorioideae is paraphyletic and the Mutisieae constitute a basal grade that contains monophyletic groups with Mutisia and Cardueae sensu lato.
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A review of the phylogeny and classification of the Asteraceae
Kåre Bremer,Robert K. Jansen,Per Ola Karis,Mari Källersjö,Sterling C. Keeley,Ki Joong Kim,Helen J. Michaels,Jeffrey D. Palmer,Robert S. Wallace +8 more
TL;DR: Recent phylogenetic analyses based on morphological and chloroplast DNA data conclusively show that the Mutisieae-Barnadesiinae are the sister group to the rest of the family and that the Asteroideae tribes form a monophyletic group.
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Phylogeny, evolution and systematics of Moehringia (Caryophyllaceae) as inferred from molecular and morphological data: a case of homology reassessment
Simone Fior,Per Ola Karis +1 more
TL;DR: The phylogeny of the genus Moehringia (Caryophyllaceae) is investigated by means of analyzing nuclear and chloroplast sequence data in combination with morphological characters, and the variation of the strophiole is regarded as adaptability to ecological conditions and dispersal agents.
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Phylogenetic position and taxonomic status of the genus Aegialitis and subfamilies Staticoideae and Plumbaginoideae (Plumbaginaceae): evidence from plastid DNA sequences and morphology
TL;DR: It is concluded that the classification of Plumbaginaceae in two subfamilies is well supported and Aegialitis should be regarded as a tribe in Staticoideae.