期刊
MYCOLOGICAL PROGRESS
卷 9, 期 3, 页码 431-445出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11557-009-0653-x
关键词
Phellinus; ITS; Translation elongation factor 1 alpha; Spore measurement
类别
资金
- Czech Science Foundation [521/07/J039]
The Phellinus igniarius group comprises several closely related wood-decaying basidiomycetes with poroid hymenophores that are sometimes difficult to identify on a morphological basis. The delimitation of pileate species belonging to the group was the subject of ITS (internal transcribed spacer of ribosomal DNA) and tefa (translation elongation factor 1 alpha) DNA sequence analyses applied to specimens from central and northern Europe. The results confirmed the distinctiveness of P. alni, P. igniarius, P. lundellii, P. nigricans, P. populicola, P. tremulae, and P. tuberculosus in Europe. The specimens of the previously distinguished species P. cinereus were found to be identical with either P. nigricans or P. alni. Thus, Phellinus cinereus does not follow the species criteria of phylogenetic species recognition. In addition, a recently described species, P. neolundellii, was grouped within the P. alni clade. The ITS and tefa analyses produced a different topology for P. populicola and P. igniarius. P. alni had the largest spectrum of hosts, including woody plants from nine families, and records on Aesculus hippocastanum and Ulmus glabra are reported for the first time. P. igniarius s.s. has been collected not only on Salix spp. as expected but also, though rarely, on Populus nigra, and it has been observed once on Malus domestica. The host specificity of the remaining species resembles previous data. An additional analysis of basidiospore dimensions did not reveal any differences between P. alni and P. igniarius, but both are distinguishable from those of P. nigricans.
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