New Zealand Journal of Botany abstracts
Phylogenetic studies in Hypochnicium (Basidiomycota), with
special emphasis on species from New Zealand
Barbara Paulus
Landcare Research
Private Bag 92170
Auckland 1142, New Zealand
Henrik Nilsson
Nils Hallenberg
Department of Plant and Environmental Sciences
Carl Skottsberg Gata 22b
S-405 30 Göteborg, Sweden
Abstract The taxonomic and phylogenetic
affiliation of Hypochnicium specimens from New Zealand were
studied using morphological and molecular analyses. Phylogenetic
analyses based on ITS region of rDNA suggest that species within Hypochnicium
form a monophyletic group with respect to outgroups. The synonymy
of Gyrophanopsis with Hypochnicium is validated and
the genus Nodotia is re-evaluated as a synonym of Hypochnicium.
Sequence analyses of H. zealandicum and a specimen within
the H. punctulatum complex from New Zealand place both
as sister taxa of H. polonense and H. cremicolor, respectively.
Although spore dimensions of H. zealandicum overlap with those
of H. polonense, it is currently retained as a
separate species on the basis of geographical separation and
phylogenetic analysis. New Zealand specimens recorded as H.
punctulatum represent a new species, which is described and
illustrated as H. aotearoae.
Keywords corticioid fungi; Gyrophanopsis;
-Hypochnicium; Nodotia; phylogeny; ITS
B06020; Online publication date 29 March 2007; Received 13 June
2006; accepted 20 December 2006
New Zealand Journal of Botany, 2007, Vol. 45: 139 - 150
0028 - 825X/07/4501 - 0139 © The Royal Society of New Zealand
2007
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