New Zealand Journal of Botany abstracts
Chlorociboria (Fungi, Helotiales) in New Zealand
P. R. Johnston
D. Park
Landcare Research
Private Bag 92170
Auckland, New Zealand
Abstract Fifteen species of Chlorociboria
are reported for New Zealand, including 13 new species and one new
subspecies. All occur on decorticated wood and all are associated with
blue-green staining of that wood. Some species are consistently
associated with soft, rotten wood, while others are consistently
associated with fallen wood that remains hard and appears more or less
intact. The range of morphological variation accepted in the genus is
broader than has previously been described, especially with respect to
ascospore size and shape. Two of the species have filiform ascospores
that coil on release from the asci. Species are distinguished on the
basis of variation in ascospore size and shape, the presence or absence
of either smooth-walled or rough-walled tomentum hyphae, and on
macroscopic appearance. The validity of the generic and species
concepts was tested using rDNA ITS sequences. Of species previously
reported for New Zealand, only C. argentinensis is accepted.
Keywords fungi; discomycete; Helotiales; Chlorociboria;
New Zealand; phylogeny; ITS
B05009; Received 4 March 2005; accepted 20 June 2005; Online
publication date 8 September 2005
New Zealand Journal of Botany, 2005, Vol. 43: 679–719
0028–825X/05/4303–0679 © The Royal Society of New Zealand 2005
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