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Stop black and white thinking : Russula subgenus Compactae (Russulaceae, Russulales) in Europe revised

Ruben De Lange (UGent) , Jesko Kleine, Felix Hampe (UGent) , Pieter Asselman (UGent) , Cathrin Manz, Eske De Crop (UGent) , Lynn Delgat, Slavomir Adamčík and Annemieke Verbeken (UGent)
(2023) PERSOONIA. 51. p.152-193
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Abstract
Russula subgenus Compactae is a group of ectomycorrhizal basidiomycetes, usually with large pileate fruitbodies. European members of the group are characterised by the absence of bright colours on the surfaces of their pilei, the context turning grey to black after cutting, the abundance of short lamellulae in the hymenophore, and spores with an inamyloid suprahilar spot and with low reticulate ornamentation. Our multi-locus phylogenetic study confirmed that this morphological delimitation corresponds to a well-supported clade. Within this clade, 16 species are recognised in Europe, of which five belong to the R. albonigra lineage and were described in a previous study, while eleven are fully described in this study. The application of the names R. acrifolia, R. adusta, R. anthracina, R. atramentosa, R. densissima, R. nigricans and R. roseonigra is based on the position of sequences retrieved from types or authentic material. Based on type sequences, R. fuliginosa is synonymised with R. anthracina and two varieties of R. anthracina are considered synonyms of R. atramentosa. The application of the name R. densifolia is based on a morphological match with the traditional species interpretation and the neotype specimen. Three species are described as new, R. marxmuelleriana sp. nov., R. picrophylla sp. nov. and R. thuringiaca sp. nov. This study recognises three major lineages and two species with isolated positions within the European Compactae and a morphological barcode was assigned to the species using an analysis of 23 selected characters. A search of publicly available sequences from the UNITE database revealed that the majority of species are host tree generalists and widely distributed in temperate and Mediterranean areas of Europe. Russula adusta is the only species so far proven to form ectomycorrhiza exclusively with conifers.
Keywords
Ecology, Evolution, Behavior and Systematics, phylogeny, new taxa, integrative taxonomy, Fungi, ectomycorrhiza, diversity, coalescent species delimitation, Basidiomycota, barcode

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MLA
De Lange, Ruben, et al. “Stop Black and White Thinking : Russula Subgenus Compactae (Russulaceae, Russulales) in Europe Revised.” PERSOONIA, vol. 51, 2023, pp. 152–93, doi:10.3767/persoonia.2023.51.04.
APA
De Lange, R., Kleine, J., Hampe, F., Asselman, P., Manz, C., De Crop, E., … Verbeken, A. (2023). Stop black and white thinking : Russula subgenus Compactae (Russulaceae, Russulales) in Europe revised. PERSOONIA, 51, 152–193. https://doi.org/10.3767/persoonia.2023.51.04
Chicago author-date
De Lange, Ruben, Jesko Kleine, Felix Hampe, Pieter Asselman, Cathrin Manz, Eske De Crop, Lynn Delgat, Slavomir Adamčík, and Annemieke Verbeken. 2023. “Stop Black and White Thinking : Russula Subgenus Compactae (Russulaceae, Russulales) in Europe Revised.” PERSOONIA 51: 152–93. https://doi.org/10.3767/persoonia.2023.51.04.
Chicago author-date (all authors)
De Lange, Ruben, Jesko Kleine, Felix Hampe, Pieter Asselman, Cathrin Manz, Eske De Crop, Lynn Delgat, Slavomir Adamčík, and Annemieke Verbeken. 2023. “Stop Black and White Thinking : Russula Subgenus Compactae (Russulaceae, Russulales) in Europe Revised.” PERSOONIA 51: 152–193. doi:10.3767/persoonia.2023.51.04.
Vancouver
1.
De Lange R, Kleine J, Hampe F, Asselman P, Manz C, De Crop E, et al. Stop black and white thinking : Russula subgenus Compactae (Russulaceae, Russulales) in Europe revised. PERSOONIA. 2023;51:152–93.
IEEE
[1]
R. De Lange et al., “Stop black and white thinking : Russula subgenus Compactae (Russulaceae, Russulales) in Europe revised,” PERSOONIA, vol. 51, pp. 152–193, 2023.
@article{01HE5K03HDY8NGD3ECGP3NGEEA,
  abstract     = {{Russula subgenus Compactae is a group of ectomycorrhizal basidiomycetes, usually with large pileate fruitbodies. European members of the group are characterised by the absence of bright colours on the surfaces of their pilei, the context turning grey to black after cutting, the abundance of short lamellulae in the hymenophore, and spores with an inamyloid suprahilar spot and with low reticulate ornamentation. Our multi-locus phylogenetic study confirmed that this morphological delimitation corresponds to a well-supported clade. Within this clade, 16 species are recognised in Europe, of which five belong to the R. albonigra lineage and were described in a previous study, while eleven are fully described in this study. The application of the names R. acrifolia, R. adusta, R. anthracina, R. atramentosa, R. densissima, R. nigricans and R. roseonigra is based on the position of sequences retrieved from types or authentic material. Based on type sequences, R. fuliginosa is synonymised with R. anthracina and two varieties of R. anthracina are considered synonyms of R. atramentosa. The application of the name R. densifolia is based on a morphological match with the traditional species interpretation and the neotype specimen. Three species are described as new, R. marxmuelleriana sp. nov., R. picrophylla sp. nov. and R. thuringiaca sp. nov. This study recognises three major lineages and two species with isolated positions within the European Compactae and a morphological barcode was assigned to the species using an analysis of 23 selected characters. A search of publicly available sequences from the UNITE database revealed that the majority of species are host tree generalists and widely distributed in temperate and Mediterranean areas of Europe. Russula adusta is the only species so far proven to form ectomycorrhiza exclusively with conifers. }},
  author       = {{De Lange, Ruben and Kleine, Jesko and Hampe, Felix and Asselman, Pieter and Manz, Cathrin and De Crop, Eske and Delgat, Lynn and Adamčík, Slavomir and Verbeken, Annemieke}},
  issn         = {{0031-5850}},
  journal      = {{PERSOONIA}},
  keywords     = {{Ecology, Evolution, Behavior and Systematics,phylogeny,new taxa,integrative taxonomy,Fungi,ectomycorrhiza,diversity,coalescent species delimitation,Basidiomycota,barcode}},
  language     = {{eng}},
  pages        = {{152--193}},
  title        = {{Stop black and white thinking : Russula subgenus Compactae (Russulaceae, Russulales) in Europe revised}},
  url          = {{http://doi.org/10.3767/persoonia.2023.51.04}},
  volume       = {{51}},
  year         = {{2023}},
}
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