@article {CHASSOT:2008:0024-4074:323,
author = "CHASSOT, PHILIPPE and BERNHARD VON HAGEN, K.",
title = "Pollen morphology of the Swertiinae (Gentianaceae): phylogenetic implications",
journal = "Botanical Journal of the Linnean Society",
volume = "157",
number = "2",
year = "2008",
pages = "323-341",
url = "http://www.ingentaconnect.com/content/bsc/boj/2008/00000157/00000002/art00010",
doi = "doi:10.1111/j.1095-8339.2008.00798.x",
keyword = "exine, Frasera, Gentianella, Jaeschkea, Lomatogonium, phylogeny, Swertia"
}
@article {Wahrmund:2010:0040-0262:367,
author = "Wahrmund, Ute and Heklau, Heike and R{\"o}ser, Martin and K{\"a}stner, Arndt and Vitek, Ernst and Ehrendorfer, Friedrich and Bernhard von Hagen, K.",
title = "A molecular phylogeny reveals frequent changes of growth form in Carlina (Asteraceae)",
journal = "Taxon",
volume = "59",
number = "2",
year = "2010",
pages = "367-378",
url = "http://www.ingentaconnect.com/content/iapt/tax/2010/00000059/00000002/art00003",
keyword = "ANATOMY, CARLINA, GROWTH FORM, ISLAND WOODINESS, MEDITERRANEAN, PHYLOGENY"
}
@article {Tkach:2008:0014-3820:184,
author = "Tkach, Natalia V. and Heinrich Hoffmann, Matthias and R{\"o}ser, Martin and Alexandrovich Korobkov, Alexander and Bernhard von Hagen, Klaus",
title = "PARALLEL EVOLUTIONARY PATTERNS IN MULTIPLE LINEAGES OF ARCTIC ARTEMISIA L. (ASTERACEAE)",
journal = "Evolution",
volume = "62",
number = "1",
year = "2008",
pages = "184-198",
url = "http://www.ingentaconnect.com/content/bpl/evo/2008/00000062/00000001/art00016",
doi = "doi:10.1111/j.1558-5646.2007.00270.x",
keyword = "Arctic, Artemisia, Beringia, intercontinental dispersal, pollination, polyploidy"
}