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PersooniaPersoonia
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Subdivision and revision of subsection Alachuani
C.B. Uljé & M.E. NoordeloosCoprinus section Coprinus is defined and delimited to comprise four subsections: Atramentarii, Coprinus, Lanatuli and Alachuani. A key to the subsections is given as well as a key to the species of subsection Alachuani known from the Netherlands or to be expected in the Netherlands on account of records from neighbouring countries. Three new species, Coprinus epichloeus, Coprinus fluvialis and Coprinus sclerotiorum are described as well as a new variety of C. urticicola: var. salicicola. In addition the following species are fully described: C. argenteus, C. echinosporus, C. episcopalis, C. filamentifer, C. friesii, C. gonophyllus, C. goudensis, C. herinkii, C. kimurae, C. kubickae, C. luteocephalus, C. phaeosporus, C. phlyctidosporus, C. picaceus, C. piepenbroekii, C. pseudofriesii, C. rugosobisporus, C. spilosporus, C. stanglianus, C. strossmayeri, C. tigrinellus, C. urticicola, C. vermiculifer, C. xantholepis, and C. xenobius.
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Section Heterospora: Taxa with large sized conidial dimorphs, in vivo sometimes as Stagonosporopsis synanamorphs
G.H. Boerema, J. de Gruyter & M.E. NoordeloosThe new section Heterospora is proposed for Phoma species producing not only relatively small, mainly aseptate conidia, but also distinctly larger conidia, which may become 1- or more septate: ëascochytoid-stagonosporoidí. The majority of the conidia are always phomoid in vitro, but in vivo they may be predominantly large and septate, synanamorphs being therefore referred to Stagonosporopsis Died. The heterosporous species are described in vitro, with additional data on the conidial morphology in vivo. An addendum deals with eight species from other sections which display a similar conidial dimorphism. Five new species and four new combinations have been proposed: Phoma actaeae spec. nov., Phoma alectorolophi spec. nov., Phoma nigripycnidia spec. nov., Phoma subboltshauseri spec. nov. and Stagonosporopsis dennisii spec. nov.; Phoma dennisii var. oculohominis (Punith.) comb. nov., Stagonosporopsis aquilegiae (Rabenh.) comb. nov., Stagonosporopsis bohemica (Kabát & Bubák) comb. nov. and Stagonosporopsis nigripycnidiicola (Ondrej) comb. nov. Indices on host-fungus and fungus-host relations and a key to cultural characteristics are included as well as short comments on their ecology and distribution.
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First Coprinus lilatinctus, belonging to subsect. Glabri, is described as new. Secondly, nomenclatural reasons are given for Coprinus nudiceps P.D. Orton to be replaced by the older name C. schroeteri P. Karst. Type studies of both taxa are given and their synonymy is discussed. To facilitate identification an updated key is given for the species in subsect. Glabri.
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Bryoscyphus atromarginatus spec. nov. from dying thalli of Marchantia polymorpha is described in vivo and in vitro. Differences with B. marchantiae and other representatives of the genus are discussed. A key to the species of Bryoscyphus is given.
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Recently, a fungus has been reported from young, planted parks (e.g. Keizer, 1985) which shows some resemblance to Coltricia perennis (L.: Fr.) Murrill, but which differs from that species in several respects: 1) growth habit; 2) zonation of the pileus; 3) colours; 4) shape of the pileus; 5) ecology. As this fungus is already known from several places in the Netherlands and invariably seems to differ from any species described in the literature it is described here as a new species.
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Mycena seclusa is newly described from the lowland rain forests of Costa Rica; it is the type species of the new section Seclusae.
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Mycena agrestis is a new species of section Fuliginellae. It is compared with the sectionís type species, M. vulgaris, and shown to differ from the other members known from North America. Thus far, section Fuliginellae has not been recorded with certainty from the Southern Hemisphere.
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A new record of Coprinus idae Uljé, this time collected from Spain, is briefly described, and some taxonomic and ecologic observations are made. Up to now, this species has been reported from the Netherlands, only twice from the type-locality.
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Marasmiellus phaeomarasmioides, a new species growing on bark of Juniperus thurifera trees in Spain, is described and illustrated. Besides, it is compared with other related species of subsect. Sphaerosporini Singer, viz. M. guzmanii Singer and M. parlatorei Singer.
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Mycena schildiana is described as a new species in section Rubromarginatae, although some of its characters do not entirely tally with those of the section.
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Mycena valida, collected in the Schwarzwald, Germany, and one of the few nitrous-smelling members of section Fragilipedes associated with conifers, is proposed as a new species.
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Last modified April 2, 1998 by P. Hovenkamp.