New Zealand Journal of Botany abstracts

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Rosellinia and related genera in New Zealand

Liliane E. Petrini

Tèra d’sott 5
CH-6949 Comano, Switzerland

Abstract   Specimens labelled as Rosellinia (Xylariaceae) collected in New Zealand from the herbarium PDD were examined and could be identified as belonging to species of the genera Astrocystis, Helicogermslita, Rosellinia, and Stilbohypoxylon. One new species each of Astrocystis and Stilbohypoxylon and four species of Helicogermslita, three of them as new, are described. Eighteen species of Rosellinia could be distinguished. Only two of them, R. mammoidea and R. radiciperda, are already described from New Zealand. Five taxa could be assigned to known Rosellinia species and eleven are described as new. All species are described, illustrated, and compared with similar taxa. Keys to the genera similar to Rosellinia, as well as to the species of Helicogermslita and Rosellinia, are provided. The frequency and distribution of these fungi in New Zealand and their host preferences are discussed.

Keywords   Ascomycetes; Astrocystis cyatheae; Helicogermslita (Rosellinia) aucklandica; H. gisbornia; H. johnstonii; H. mackenziei; identification key; new species; Rosellinia communis; R. dingleyae; R. freycinetiae; R. gisbornia; R. hughesii; R. johnstonii; R. nothofagi; R. novae-zelandiae; R. palmae; R. rhopalostilicola; R. samuelsii; R. novae-zelandiae; systematics; taxonomy; Xylariaceae

B02015 Received 27 February 2002; accepted 1 October 2002; published 31 March 2003
New Zealand Journal of Botany, 2003, Vol. 41: 71-138
0028-825X/03/4101-0071 $7.00 © The Royal Society of New Zealand 2003

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