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Ascomycete.org - Volume 9
This section presents the articles of the current volume. To download them, you must be a member of Ascomycete.org, excluding the articles proposed in Open Access mode Open Access

Fascicle 1 - January 2017 (en ligne 01/07/2017)

puce Barssia peyronelii comb. nov. (Pezizales) for the old Mattirolo’s species Stephensia peyronelii PDF
  Agnello C., Kaounas V. 1-5
Abstract: Thanks to the study of the original material of Stephensia peyronelii Mattir., recently discovered in the herbarium of the university of Turin, we propose a new combination in the genus Barssia. The work is accompanied by micrographs, an old plate by O. Mattirolo and an updated key to the genus Barssia.
puce Hydropisphaera foliicola, a new species from Martinique PDF
  Lechat C., Fournier J. 6-8
Abstract: A detailed description of Hydropisphaera foliicola sp. nov. is presented, based on a collection on dead leaf of Pouteria pallida (C.F. Gaertn.) Baehni (Sapotaceae) in Martinique (French West Indies). The fungus was cultured and sequenced; no asexual morph was obtained in culture but fertile ascomata occurred after five weeks. This species resembles H. erubescens (Roberge ex Desm.) Rossman & Samuels but differs from it in having significantly smaller ascospores.
puce Combinaisons nouvelles de Pezizales PDF
  Van Vooren N. 9-10
Abstract: Proposal of new combinations of some pezizalean species. Galactinia hypoleuca is combined in the genus Peziza Fr. s. lato, and illustrated microscopically after the revision of the holotype; Pachyphloeus oleiferus is combined in the genus Pachyphlodes Zobel; Pulvinula ovalispora is combined in the genus Boubovia Svrcek; and Aleuria latispora is combined in the genus Melastiza Boud. Comments are provided for each species..
puce Four new species of Ijuhya (Bionectriaceae) from Belgium, metropolitan France and French Guiana PDF
  Lechat C., Fournier J. 11-18
Abstract: Four new species of Ijuhya are described and illustrated based on material collected in Belgium, metropolitan France and French Guiana. The four new species described herein were sequenced and one of them was successfully cultured. They are placed in the Bionectriaceae based on ascomata not changing colour in 3% KOH or lactic acid, acremonium-like asexual morph and phylogenetic affinities of LSU sequences with five morphologically related genera of the Bionectriaceae. Their placement in Ijuhya is based on morphological and phylogenetic comparison with the most similar genera including Lasionectria and Lasionectriella. An updated dichotomous key to Ijuhya is presented.

Fascicle 2 - February 2017 (online 02/25/2017)

puce Typification of Gyromitra perlata, type-species of the subgenus Discina (Discinaceae) PDF
  Van Vooren N. 19-22
Abstract: Peziza perlata Fr., basionym of Gyromitra perlata, is the type-species of the subgenus Discina. As many old names attached to supposed well-known species, its type is not clearly defined. Based on a sample from Fries’ herbarium, we propose the neotypification of this name to fix the main morphological and microscopic characters of the species
puce First report of a lichenicolous species of Hypomyces (Hypocreaceae), H. peltigericola sp. nov. PDF
  Lechat C., Gardiennet A., Fournier J. 23-26
Abstract: Hypomyces peltigericola sp. nov. is described and illustrated based on material collected in France on thalli of the lichen Peltigera canina. In culture the ascospores yielded a cladobotryum-like asexual morph that was sequenced. The placement of this new species in the aurofusarin-group of the genus Hypomyces is based on the combination of morphological characters of sexual and asexual morphs as well as the comparison of its ITS rDNA sequence with those of this group available in GenBank.
puce Apports à la connaissance de Peziza lilacinoalba, une espèce subalpine PDF
  Dougoud R. 27-31
Abstract: The macroscopic and microscopic characters of Peziza lilacinoalba, an uncommon subalpine species, only known from the original collections, are described and illustrated from fresh material found in Switzerland
puce Additional reports on coprophilous Lasiosphaeriaceae from tropical climates PDF
  Doveri F. 32-58
Abstract: Following a recent work on coprophilous Cercophora species from tropical climates, this paper deals with more species of Lasiosphaeriaceae from the same climates. Coprophilous Lasiosphaeriaceae are divided into groups according to their regularity of growing on dung. Three additional Cercophora species and two Podospora, some of which are vey rare or even never recorded since the original finding, are described in detail and compared with similar taxa. A key is provided to the complex of Cercophora species with a palisade or tufts of swollen and agglutinated neck hairs.

Fascicle 3 - April 2017 (online 04/30/2017)

puce Hydropisphaera heliconiae, a new species from Martinique (French West Indies) PDF
  Lechat C., Fournier J. 59-62
Abstract: A detailed description of Hydropisphaera heliconiae sp. nov. is presented based on two collections on dead leaves of Heliconia caribea (Heliconiaceae) in Martinique (FWI). The fungus was cultured and sequenced and its placement in the genus Hydropisphaera confirmed by analysis of LSU sequences. This species primarily differs from all known species in having ascomata nearly black when mature and deeply cupulate when dry. The new combination Ijuhya boothii is proposed for a taxon examined during this study that was formerly placed in Hydropisphaera.
puce Beiträge zur Erforschung der Pilzflora Äthiopiens. Operculate Discomyceten, Teil 2: Tricharina aethiopica sp. nov. PDF
  Lindemann U. 63-66
Abstract: Tricharina aethiopica is described as a new species. The morphological features are compared with the hitherto known species of Tricharina.
puce The genus Biscogniauxia (Xylariaceae) in Guadeloupe and Martinique (French West Indies) PDF
  Fournier J., Lechat C., Courtecuisse R. 67-99
Abstract: This survey deals with the Biscogniauxia taxa collected in the French West Indies in the course of an ongoing inventorial work on the mycobiota of these islands initiated in 2003. Based on the evaluation and comparison of their morphological characters, fourteen taxa are described, illustrated and discussed, including four new taxa, viz.: B. breviappendiculata, B. martinicensis, B. nigropapillata and B. sinuosa var. macrospora and a collection of uncertain taxonomic position tentatively regarded as related to B. uniapiculata. The nine known taxa that we recorded include B. capnodes, B. capnodes var. limoniispora, B. capnodes var. theissenii, B. citriformis, B. citriformis var. macrospora, B. grenadensis, B. philippinensis, B. uniapiculata and B. viscosicentra. Only three of the taxa that we report here were already known from the Caribbean, viz.: B. grenadensis, B. uniapiculata and B. cf. uniapiculata, and all are new to the French West Indies, except the latter which was collected in Guadeloupe. A dichotomous identification key and a synoptical table of ascospores are presented as well.
puce Revue bibliographique: Les Terfess et les Truffes du Maroc  Open Access PDF
  Van Vooren N. 100
Ascomycete.org - Volume 8
This section presents the articles of the previous volume. To download them, you must be a member of Ascomycete.org, excluding the articles proposed in Open Access mode Open Access or available in the archives (see at the bottom of the page)

 

For issue #1 to #2, see Archives at the bottom of this page.

Fascicle 3 - May 2016 (online 05/05/2016)

puce Studies on Hypoxylon ferrugineum (Xylariaceae), a rarely reported species collected in the urban area of Graz (Austria) PDF
  Friebes G., Wendelin I. 83-90
Abstract: Hypoxylon ferrugineum has been collected repeatedly on branches of Tilia in the urban area of Graz. It is described and illustrated based on this newly collected material as well as the previously known collections from Austria. An overview of the known distribution of H. ferrugineum is given. Its ecology, host specificity, and some newly observed as well as previously rarely reported morphological characters are discussed. Hypoxylon ferrugineum appears to be a distinct and well-characterized species based on morphology as well as the results of phylogenetic analyses of β-Tubulin, α-Aktin, and ITS sequences.
puce Belonioscyphella hypnorum (Helotiales), a rarely reported bryoparasitic ascomycete new for the Czech Republic PDF
  Egertová Z., Hairaud M., Sochor M. 91-95
Abstract: Belonioscyphella hypnorum is published from the Czech Republic for the first time. It was found in three localities in Moravia — in all cases in calcareous areas at an altitude around 300 m asl., on wood, soil or a limestone boulder covered with its hosts. Didymodon rigidulus, Eurhynchium schleicheri, Homalia trichomanoides, Orthotrichum sp. and Radula complanata are newly recognized as host bryophytes of the species. Macroscopic and microscopic descriptions based on fresh material, photos of apothecia and microstructures and DNA sequence data from three nuclear genomic loci are provided. Five additional new localities of the species from Europe and Canada are listed.
puce Varicosporellopsis, a new aquatic genus from southern France PDF
  Lechat C., Fournier J. 96-100
Abstract: Varicosporellopsis aquatilis gen. and sp. nov. is described and illustrated based on two collections on submerged wood in southern France. An acremonium-like asexual morph was obtained in culture and sequenced. The genus is placed in the Nectriaceae based on its asexual morph and phylogenetic comparison of ITS and LSU sequences with 21 genera of Hypocreales including 14 genera in the Nectriaceae and 7 genera in the Bionectriaceae. Varicosporellopsis is primarily characterized by obpyriform, pale orange, non-stromatic ascomata not changing colour in 3% KOH, becoming very pale yellow to nearly hyaline in lactic acid, short-ribbed ascospores, freshwater habitat and an acremonium-like asexual morph.
puce Jafnea pallida (Pezizales), a new name for a cup fungus rediscovered in Tasmania PDF
  Gates G., Van Vooren N. 101-104
Abstract: A modern description is provided for Geopyxis pallidus, a species described by L. Rodway in 1920, from the here selected lectotype and additional recent collections from Tasmania. Based on its morphology, we recombine G. pallidus into the genus Jafnea. Recent records of Jafnea pallida comb. nov. from Tasmania have been misnamed as the morphologically similar Tarzetta jafneospora. The two species can be distinguished by their different spore ornamentation.
puce Genea cephalonicae sp. nov. (Ascomycota, Pezizales), a new hypogeous species from Greece PDF
  Kaounas V., Agnello C., Alvarado P. 105-110
Abstract: A new species of Genea Vittad. from Greek forests of Abies cephalonica is proposed based on morphological and genetic studies. Macroscopic images of fresh specimens, as well as observations made under optical microscopes, drawings, a 28S rDNA phylogenetic tree and a small key are provided.
puce Podospora bullata, a new homothallic ascomycete from kangaroo dung in Australia PDF
  Bell A., Mahoney D., Debuchy R. 111-118
Abstract: Podospora bullata sp. nov. is described and illustrated based on five kangaroo dung collections from Australia. The species is placed in the genus Podospora based on its teleomorph morphology and its ITS sequence from a fertile homothallic axenic culture. Perithecial necks are adorned with prominent simple unswollen filiform flexuous and non-agglutinated greyish hairs. Ascospores are characterized by minute pedicels, lack of caudae and an enveloping frothy gelatinous material with bubble-like structures both in the amorphous gel and attached to the ascospore dark cell. No anamorph was observed.

Fascicle 4 - July 2016 (online 07/08/2016)

puce New records of two pyrophilous ascomycetes from Siberia: Pyropyxis rubra and Rhodotarzetta rosea PDF
  Filippova N., Bulyonkova T., Lindemann U. 119-126
Abstract: The paper reports the first findings of Pyropyxis rubra and Rhodotarzetta rosea from Asian Russia (West Siberia). The ecological conditions, i.e. vegetation, substrates and phenology of both species are described and compared with earlier publications. Also the morphological characteristics are described and depicted by photographic images and the differences between these quite similar species are highlighted. P. rubra has been cultivated in vitro. The paper provides descriptions of the anamorphic stage and culture growth on different media.
puce The genus Annulohypoxylon (Xylariaceae) in Guadeloupe and Martinique (French West Indies) PDF
  Fournier J., Lechat C., Courtecuisse R. 127-156
Abstract: This survey deals with the Annulohypoxylon spp. collected in the French West Indies in the course of an ongoing inventorial work on the mycobiota of these islands initiated in 2003. Based on the evaluation and comparison of their morphological characters, eleven species are described, illustrated and discussed, including three new species, A. caravellense, A. ramulorum and A. splendens and a taxonomically unsettled species provisionally referred to A. moriforme. Other recorded taxa include A. atroroseum, A. leptascum, A. moriforme var. microdiscum, A. nitens, A. purpureopigmentum, A. purpureonitens and A. stygium, of which only the latter was already known from Guadeloupe. A dichotomous identification key is provided.
puce Erioscyphella lunata (Lachnaceae), a rare discomycete collected in Spain PDF
  Tello S., Baral H.-O. 157-162
Abstract: The rare discomycete Erioscyphella lunata, inhabiting coniferous leaves and originally described from China, is re-described from a recent collection from southern Spain, which is the first report from Europe. Its molecular data are compared to the closest species and confirm its distinctness from the recently described smaller-spored E. curvispora.
puce Lamprospora verrucispora sp. nov. (Pezizales) PDF
  Vega M., Eckstein J., Van der Kolk H.-J. 163-171
Abstract: A description and illustrations of both macroscopic and microscopic characters of Lamprospora verrucispora sp. nov. are provided. Differences from other bryophilous Pezizales with globose ascospores ornamented with isolated warts are discussed and a dichotomous key to these species is given. Gall formation on rhizoids and chloronema of the bryophyte host Campylopus pyriformis is described and illustrated. This represents the first report of gall formation for a species of the genus Lamprospora.
puce Xanthonectria, a new genus for the nectrioid fungus Nectria pseudopeziza PDF
  Lechat C., Fournier J., Moreau P.-A. 172-178
Abstract: A new genus, Xanthonectria, is proposed for the enigmatic taxon Nectria pseudopeziza. Xanthonectria is characterized by nonstromatic, soft-textured, superficial, glabrous, pale yellow to bright orange nectria-like ascomata, not changing color in 3% KOH or lactic acid, long fusiform, multiseptate ascospores and an acremonium-like asexual morph. Its placement in the Bionectriaceae and its relationship to other members of this family are based on morphological, cultural and molecular data.

Fascicle 5 - November 2016 (online 11/3/2016)

puce Compte rendu de la session Ascomycota Zone alpine 2015 PDF
  Van Vooren N. 179-184
Abstract: Report of the Ascomycota Alpine Zone 2015 Foray, organized by Ascomycete.org in the National Park of Vanoise (French Alps), from 23 to 30 August 2015. The list of the 98 collected and studied taxa is also provided.
puce Chaetomium convolutum and C. hexagonosporum from Italy with a morphological revision of the group-bostrychodes PDF
  Doveri F. 185-198
Abstract: Chaetomium convolutum, newly isolated from herbivore dung in a survey of coprophilous ascomycetes and basidiomycetes, is first described from Italy and compared with other species of the so called “group-bostrychodes”. The taxonomic uncertainty, still present in this group despite a recent comparative, morphological and molecular study, led the author to revise all Italian collections of species related to C. convolutum, and to prove that also the very rare C. hexagonosporum is present in Italy. The morphological features of C. hexagonosporum are described in detail and particularly compared with those of C. convolutum. The results of this review confirm the existence of several intermediates in the group-bostrychodes, for which a much more extended revision is hoped.
puce Three Cercophora species from Indian elephant dung. An opportunity to establish new combinations and a new taxon PDF
  Doveri F. 199-220
Abstract: Elephant dung, when compared with other dungs from mammalian herbivores, was regarded as an ideal substrate for cellulolytic fungi. One sample of Indian elephant dung, examined for detecting coprophilous ascomycetes, was found to have developed three different Cercophora species. Cercophora elephantina, Cercophora sp. of the complex-sordarioides, and a new species, C. cephalothecoidea, were classified based on morphological characteristics. C. elephantina was described in detail and compared with species having the so called “pseudobombardioid” peridium. Cercophora sp. and C. cephalothecoidea were described, compared and placed in keys with species having a membraneous or carbonaceous peridium, respectively. Bombardia mutabilis and B. rostrata were recombined in Cercophora. Following recent phylogenetic analyses, the morphological and physiological features of family Lasiosphaeriaceae, Cercophora and related genera were re-examined and discussed.
puce Xylaria xylarioides (Xylariaceae), a subtropical species reported for the first time from Europe PDF
  Fournier J., Delgado M.A., Castillo J. 221-226
Abstract: Xylaria xylarioides is reported for the first time from Europe based on two recent collections from Catalonia and Galicia in Spain, and three previous unpublished records including one from Corfu (Greece) and two from Tenerife (Canary Islands) made by Dr. Walter Jaklitsch. An illustrated description of the material collected in Galicia is provided together with comments on the morphological variations encountered in X. xylarioides, its known distribution worldwide, ecology and taxonomic affinities.
puce Trichophaea dougoudii sp. nov. (Pezizales), un nouveau discomycète de l’étage alpin  Open Access PDF
  Van Vooren N. 227-234
Abstract: A Trichophaea species collected in Alpine zone in France, with characters close to those of T. woolhopeia, offers the opportunity to confirm — after a morphological and phylogenetic analysis — that the latter represents a complex of mycorrhizal species difficult to split morphologically. The morphological differences seen on this collection, in particular the size and shape of the ascospores, associated to its alpine ecology, and a probable relationship with Bistorta vivipara, are confirmed by molecular data. We propose it as a new species under the name T. dougoudii.
puce Sclerotinia cirsii-spinosissimi, a new species from the Alps PDF
  Senn-Irlet B., Peter M. 235-240
Abstract: Sclerotinia cirsii-spinosissimi is described as a new species from bracts of Cirsium spinosissimum based on morphological, cultural and molecular studies. Ascospore size and absence of small lipid bodies inside the spores are distinctive, medium sized sclerotia are typically produced on solid media in cultures. This description includes earlier molecular studies showing a close relationship to S. borealis. A key is added to Sclerotinia species from arctic-alpine habitats.
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All Items | 15 Mar 2016 - By Rubio E., Marcote J.M.C., Costa J.M.
Xylaria crozonensis on twigs of Quercus robur and Fagus sylvatica is reported for the first time from Spain. A description and illustrations of both macroscopic and microscopic characters are provided
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All Items | 15 Mar 2016 - By Roth J.-J., Van Vooren N.
Gibellula pulchra is a parasitic fungus on Arachnids, rather common and widely distributed worldwide. This notice provides a full description based on several collections, accompanied by illustrations in colors and SEM photographs of the main microscopic characters. A brief history of hyphomycetes growing on spiders is proposed. The systematics of this species is discussed, especially through the article 59 of ICN (Melbourne)
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All Items | 16 Feb 2016 - By Mombert A., Moyne G.
Ascobolus scatigenus, a coprophilous species from the Tropics, has been collected in Franche-Comté (France). This collection is described and illustrated. Comments on its taxonomy and hypotheses on its discovery in our region are also given
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All Items | 16 Feb 2016 - By Doveri F.
The ongoing survey of coprophilous basidiomycetes and ascomycetes from Italy results at this stage in describing further Chaetomiaceae and Coniochaetaceae species isolated from herbivore dung. The high frequency of occurrence on this substrate is explained with their supposed cellulolytic ability and with the abundance of cellulose and lignin in specific types of dung. Chaetomium aureum, Corynascus sepedonium and Coniochaeta hansenii are extensively discussed. A worldwide key to Coniochaeta with poly-spored asci is provided. A key to coprophilous Chaetomiaceae and Coniochaetaceae from Italy is also provided and each species is pictured by one or more coloured photographs
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All Items | 16 Feb 2016 - By Rubio E., De la Peña S.
The authors describe two Spanish (NW) collections of the uncommon xylariaceous and lauricolous fungus Annulohypoxylon michelianum
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All Items | 16 Feb 2016 - By Lechat C., Fournier J., Richter T.
Protocreopsis caricicola sp. nov. is described and illustrated based on a collection on Carex acutiformis in Germany. The placement of P. caricicola in Protocreopsis is supported by morphological characters of both sexual and asexual morphs and analysis of LSU sequences. This species has smooth ascospores as does Protocreopsis korfii Lechat & J. Fourn. But differs from it in having significantly smaller ascospores and a different ecology
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All Items | 16 Feb 2016 - By Fournier J., Lechat C.
This survey deals with Annulohypoxylon spp. collected in two French Guiana locations during two weeks in June 2012. Two species, A. leptascum var. macrosporum and A. stygium, previously reported, were collected. In addition, we collected A. moriforme s.l., A. purpureopigmentum (first collected in Brazil), and three new species, A. fulvum, A. nouraguense and A. subnitens. All species are described and illustrated; a dichotomous key is provided. In conclusion, some problems in description of morphological features of Annulohypoxylon, especially the ostiolar discs, are discussed
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