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  • 1. Crous, P.W.
    et al.
    Quaedvlieg, W
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Hawksworth, D.L.
    Groenwald, J.Z.
    Phacidium and Ceuthospora (Phacidiaceae) are congeneric: taxonomic and nomenclatural implications2014In: IMA Fungus, ISSN 2210-6340, E-ISSN 2210-6359, Vol. 5, no 2, 173-193 p.Article in journal (Refereed)
  • 2. Dahlberg, Anders
    et al.
    Edman, Mattias
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Jeppson, Mikael
    Karström, Mats
    Knutsson, Tommy
    Krikorev, Michael
    Lindström, Håkan
    Nitare, Johan
    Norden, Björn
    Svensson, Sigvard
    Tedebrand, Jan-Oluf
    786 svampar på 2015 års rödlista2015In: Svensk Mykologisk Tidskrift, ISSN 1653-0357, Vol. 36, 91-97- p.Article in journal (Other (popular science, discussion, etc.))
    Abstract [en]

    A new Swedish Red List was published April 28th 2015 by the Swedish Species Information Centre in which 786 species of fungi are listed. Compared to the previous Red List published in 2010, 11 species have been down-listed, 51 species have been added and 35 species have changed names or taxonomic rank, thus the list has increased by 41. The changes are mainly due to increased knowledge of taxonomy, ecology and distribution, not to changes in the sta-tus of the species. Here, the members of the Species Specialist Group for Fungi 2011 – 2015 summarize the results of the red listing.

  • 3.
    Hansen, Karen
    et al.
    Swedish Museum of Natural History, Department of Botany.
    Olariaga, Ibai
    Swedish Museum of Natural History, Department of Botany.
    Species limits and relationships within Otidea inferred from multiple gene phylogenies2015In: Persoonia, ISSN 0031-5850, E-ISSN 1878-9080, Vol. 35, 148-165 p.Article in journal (Refereed)
    Abstract [en]

    The genus Otidea is one of the more conspicuous members of the Pyronemataceae, with high speciesdiversity in hemiboreal and boreal forests. The genus is morphologically coherent and in previous higher-level multigeneanalyses it formed a highly supported monophyletic group. Species delimitation within Otidea is controversialand much confusion has prevailed in the naming of taxa. To provide a phylogenetic hypothesis of Otidea, elucidatespecies diversity and limits we compiled a four-gene dataset including the nuclear LSU rDNA and three nuclearprotein-coding genes (RPB1, RPB2 and EF-1α) for 89 specimens (total 4 877 nucleotides). These were selected froma larger sample of material studied using morphology and 146 ITS (ITS1-5.8S-ITS2) and 168 LSU rDNA sequencesto represent the full genetic diversity. Using genealogical concordance phylogenetic species recognition (GCPSR),Bayesian and maximum likelihood analyses of the individual datasets resolved 25 species of Otidea. An additionaleight singletons are considered to be distinct species, because they were genetically divergent from their sisters.Sequences of multiple genes were included from 13 holotypes, one neotype and three epitypes. Otidea angusta,O. myosotis and O. papillata f. pallidefurfuracea are nested within O. nannfeldtii, O. leporina and O. tuomikoskii,respectively and are considered synonyms. Otidea cantharella var. minor is shown to be a distinct species. Fivenew species were discovered: O. oregonensis and O. pseudoleporina for North America; and O. borealis, O. brunneoparvaand O. subformicarum for Europe. The analyses of the individual four gene datasets yielded phylogeniesthat were highly concordant topologically, except for the RPB1 that showed supported conflict for some nodes inBayesian analysis. Excluding the RPB1 from the combined analyses produced an identical topology to the four-genephylogeny, but with higher support for several basal nodes and lower support for several shallow nodes. We argueto use the three-gene dataset to retrieve the maximum support for the higher-level relationships in Otidea, but stillutilise the signal from the RPB1 for the delimitation and relationships of closely related species. From the four generegions utilised, EF-1α and RPB1 have the strongest species recognition power, and with higher amplification successEF-1α may serve as the best secondary barcoding locus for Otidea (with ITS being a primary). The phylogenyfrom the three- and four-gene datasets is fully resolved and strongly supported in all branches but one. Two majorclades, as part of six inclusive clades A–F, are identified – and ten subclades within these: A) O. platyspora andO. alutacea subclades, and B) O. papillata, O. leporina, O. tuomikoskii, O. cantharella, O. formicarum, O. unicisa,O. bufonia-onotica and O. concinna subclades. Morphological features in Otidea appear to be fast evolving andprone to shifts, and are poor indicators of higher-level relationships. Nevertheless, a conspicuous spore ornament isa synapomorphy for the O. unicisa subclade (/Otideopsis); all other species in Otidea have smooth or verruculose (inSEM) spores. Exclusively pale to bright yellow apothecia and straight to curved, broadly clavate to distinctly capitateparaphyses are synapomorphies for a restricted O. concinna subclade (/Flavoscypha). The curved to hooked apicesof the paraphyses is suggested to be a symplesiomorphic trait for the genus. The reaction of resinous exudateson the outermost excipular cells that coalesce into amber drops in Melzer’s reagent is likely an ancestral state forclade B. We estimate that Otidea consists of 47 species worldwide, based on all available information (includingmorphology, ITS or LSU sequences, and literature descriptions). Three fifths of the species occur in Europe, with20 species recognised as endemic. At least 14 species occur in North America and 17 in Asia, with eight and tenspecies considered endemic to each continent, respectively. Our knowledge about Otidea in Asia is still fragmentaryand the diversity likely much higher.

  • 4. Healy, Rosanne
    et al.
    Pfister, Donald H.
    Rossman, Amy
    Marvanová, L.
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Competing sexual-asexual generic names of Pezizomycetes and recommendations for use.2016In: IMA Fungus, ISSN 2210-6340, E-ISSN 2210-6359, Vol. 7, no 2, 285-288 p.Article in journal (Refereed)
    Abstract [en]

    Following the change that eliminated dual naming of sexual and asexual morphs of fungi, generic names of Pezizomycetes have been evaluated to determine which of the competing names should be recommended for use. Evaluation is based on congruence of type species to determine if the names are congeneric and which name is most commonly cited as well as priority. In the Pezizomycetes six pairs of generic names were determined to compete. In all cases the older name, representing the sexual morph, is recommended for use, specifically Caloscypha rather than Geniculodendron, Desmazierella rather than Verticicladium, Miladina rather than Actinosporella, Morchella rather than Costantinella, Sarcoscypha rather than Molliardiomyces, and Trichophaea rather than Dichobotrys. 

  • 5.
    Kirk, Paul
    et al.
    Royal Botanic Gardens, Kew, UK.
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    A without-prejudice list of generic names of fungi for protection under the International Code of Nomenclature for algae, fungi, and plants.2013In: IMA Fungus, ISSN 2210-6340, E-ISSN 2210-6359, Vol. 4, no 2, 381-443 p.Article in journal (Refereed)
  • 6.
    Kosonen, Timo
    et al.
    Swedish Museum of Natural History, Department of Botany.
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Huhtinen, Seppo
    Ordning i Hyaloscyphaceae2015In: Svensk Mykologisk Tidskrift, ISSN 1653-0357, Vol. 36, 9-12 p.Article in journal (Other (popular science, discussion, etc.))
  • 7.
    Moreau, Pierre-Arthur
    et al.
    Département des Sciences végétales et fongiques, EA 4483, UFR Pharmacie, Univ. Lille Nord de France, 59000 Lille, France.
    Bellanger, Jean-Michel
    CEFE, INSERM, Université Montpellier 2, Campus CNRS, 1919 Route de Mende, 34293 Montpellier, France.
    Clowez, Philippe
    56 place des Tilleuls, 60400 Pont-l’Evêque, France.
    Courtecuisse, Régis
    Département des Sciences végétales et fongiques, EA 4483, UFR Pharmacie, Univ. Lille Nord de France, 59000 Lille, France.
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Knudsen, Henning
    Natural History Museum of Denmark, University of Copenhagen, Øster Farimagsgade 2 C, 1353 Copenhagen K, Denmark.
    O’Donnell, Kerry
    NCAUR-ARS-USDA, Peoria, Illinois 61604, U.S.A..
    Richard, Franck
    CEFE, CNRS, Université Montpellier 2, Campus CNRS, 1919 Route de Mende, 34293 Montpellier, France.
    (2289) Proposal to conserve the name Morchella semilibera against Phallus crassipes, P. gigas and P. undosus (Ascomycota): Conserve Morchella semilibera2014In: Taxon, ISSN 0040-0262, E-ISSN 1996-8175, Vol. 63, no 3, 677-678 p.Article in journal (Refereed)
  • 8.
    Olariaga, Ibai
    et al.
    Swedish Museum of Natural History, Department of Botany.
    Van Vooren, Nicolas
    Carbone, Matteo
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    A monograph of Otidea (Pyronemataceae, Pezizomycetes)2015In: Persoonia, ISSN 0031-5850, E-ISSN 1878-9080, Vol. 35, 166-229 p.Article in journal (Refereed)
    Abstract [en]

    The easily recognised genus Otidea is subjected to numerous problems in species identification. A numberof old names have undergone various interpretations, materials from different continents have not been compared andmisidentifications occur commonly. In this context, Otidea is monographed, based on our multiple gene phylogeniesassessing species boundaries and comparative morphological characters (see Hansen & Olariaga 2015). All namescombined in or synonymised with Otidea are dealt with. Thirty-three species are treated, with full descriptions andcolour illustrations provided for 25 of these. Five new species are described, viz. O. borealis, O. brunneoparva,O. oregonensis,O. pseudoleporina and O. subformicarum. Otidea cantharella var. minor and O. onotica var. brevisporaare elevated to species rank. Otideopsis kaushalii is combined in the genus Otidea. A key to the species of Otideais given. An LSU dataset containing 167 sequences (with 44 newly generated in this study) is analysed to placecollections and determine whether the named Otidea sequences in GenBank were identified correctly. Fourty-ninenew ITS sequences were generated in this study. The ITS region is too variable to align across Otidea, but had lowintraspecific variation and it aided in species identifications. Thirty type collections were studied, and ITS and LSUsequences are provided for 12 of these. A neotype is designated for O. cantharella and epitypes for O. concinna,O. leporina and O. onotica, along with several lectotypifications. The apothecial colour and shape, and spore charactersare important for species identification. We conclude that to distinguish closely related or morphologicallysimilar species, a combination of additional features are needed, i.e. the shape of the paraphyses, ectal excipulumstructure, types of ectal excipulum resinous exudates and their reactions in Melzer’s reagent and KOH, tomentumand basal mycelium colours and exudates. The KOH reaction of excipular resinous exudates and basal myceliumare introduced as novel taxonomic characters.

  • 9. Richard, Franck
    et al.
    Bellanger, Jean-Michel
    Clowez, Philippe
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    O’Donnell, Kerry
    Urban, Alexander
    Sauve, Mathieu
    Courtecuisse, Régis
    Moreau, Pierre-Arthur
    True morels (Morchella, Pezizales) of Europe and North America: evolutionary relationships inferred from multilocus data and a unified taxonomy2015In: Mycologia, ISSN 0027-5514, E-ISSN 1557-2536, Vol. 107, no 2Article in journal (Refereed)
  • 10.
    Robert, Vincent
    et al.
    CBS-KNAW Fungal Biodiversity Center, Uppsalalaan 8, 3584CT Utrecht, The Netherlands..
    Vu, Duong
    1CBS-KNAW Fungal Biodiversity Center, Uppsalalaan 8, 3584CT Utrecht, The Netherlands..
    Amor, Ammar Ben Hadj
    CBS-KNAW Fungal Biodiversity Center.
    van de Wiele, Nathalie
    CBS-KNAW Fungal Biodiversity Center.
    Brouwer, Carlo
    CBS-KNAW Fungal Biodiversity Center.
    Jabas, Bernard
    CBS-KNAW Fungal Biodiversity Center.
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Crous, Pedro W.
    CBS-KNAW Fungal Biodiversity Centre.
    MycoBank gearing up for new horizons2013In: IMA Fungus, ISSN 2210-6340, E-ISSN 2210-6359, Vol. 4, no 2, 371-379 p.Article in journal (Refereed)
  • 11. Schoch, C.L.
    et al.
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Finding needles in haystacks: linking scientific names, reference specimens and molecular data for Fungi2014In: Database: The Journal of Biological Databases and Curation, ISSN 1758-0463, E-ISSN 1758-0463, 1-21 p.Article in journal (Refereed)
  • 12. Wang, Xianghua
    et al.
    Buyck, Bart
    Verbeken, Annemieke
    Hansen, Karen
    Swedish Museum of Natural History, Department of Botany.
    Revisiting the morphology and phylogeny of Lactifluus with three new lineages from southern China2015In: Mycologia, ISSN 0027-5514, E-ISSN 1557-2536Article in journal (Refereed)
1 - 12 of 12
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