(1919) Proposal to conserve <i>Lactarius</i> nom. cons. (<i>Basidiomycota</i>) with a conserved type

Buyck, Bart; Hofstetter, Valérie; Verbeken, Annemieke; Walleyn, Ruben

doi:10.1002/tax.591031

Cited by 52 publications

(28 citation statements)

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“…The species is recognizable by the surprisingly long basidia (to 135 μm) that usually emerge to 50 μm above the hymenium. These features have never been reported for any known Lactifluus species from tropical Africa (van Rooij et al 2003, Buyck et al 2007, Verbeken & Walleyn 2010). In addition, both L. pectinatus and L. longibasidius have no dermatocystidia, such as those observed in L. ruvubuensis and L. longipes .…”

Section: Discussionmentioning

confidence: 72%

Phylogenetic and microscopicstudies in the genus Lactifluus(Basidiomycota, Russulales) in West Africa, including the description of four new species

et al. 2015

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Despite the crucial ecological role of lactarioid taxa (Lactifluus, Lactarius) as common ectomycorrhiza formers in tropical African seasonal forests, their current diversity is not yet adequately assessed. During the last few years, numerous lactarioid specimens have been sampled in various ecosystems from Togo (West Africa). We generated 48 ITS sequences and aligned them against lactarioid taxa from other tropical African ecozones (Guineo-Congolean evergreen forests, Zambezian miombo). A Maximum Likelihood phylogenetic tree was inferred from a dataset of 109 sequences. The phylogenetic placement of the specimens, combined with morpho-anatomical data, supported the description of four new species from Togo within the monophyletic genus Lactifluus: within subgen. Lactifluus (L. flavellus), subgen. Russulopsis (L. longibasidius and L. pectinatus), and subgen. Edules (L. melleus). This demonstrates that the current species richness of the genus is considerably higher than hitherto estimated for African species and, in addition, a need to redefine the subgenera and sections within it.

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Section: Discussionmentioning

confidence: 72%

Phylogenetic and microscopicstudies in the genus Lactifluus(Basidiomycota, Russulales) in West Africa, including the description of four new species

et al. 2015

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“…Gerardii (Buyck et al 2008;Stubbe et al 2010). Buyck et al (2010) propose to conserve the name Lactarius for the first clade and to use the name Lactifluus for the latter. Since there is not yet a formal decision on the matter, we will continue to treat Lactarius here as a paraphyletic genus, referring to the first clade as /Lactarius 1 and the second clade as /Lactarius 2.…”

Section: Introductionmentioning

confidence: 98%

The Australasian species of Lactarius subgenus Gerardii (Russulales)

Stubbe

Wang

et al. 2011

Fungal Diversity

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This paper provides an overview and identification key of the Australasian species of Lactarius subg. Gerardii. A molecular phylogeny based on the nuc DNA markers ITS, LSU and rpb2, combined with detailed morphological observations resulted in the delimitation of 12 strongly supported and morphologically recognizable species. Five new agaricoid species are described here: Lactarius hora, L. coniculus, L. limbatus, L. leae and L. leonardii. Other agaricoid species belonging to subg. Gerardii are L. atrovelutinus, L. bicolor, L. ochrogalactus and L. reticulatovenosus. Lactarius venosus is also considered as a member but could not be included in the molecular analysis. Two new pleurotoid species are discovered: L. genevievae and L. conchatulus, both close relatives of L. uyedae, but each with distinct characters. Their position within subg. Gerardii is supported in the phylogeny and by their microscopic characters. This study also confirms the existence of multiple cryptic species and species complexes for which species recognition or species delimitation remains problematic as is the case for the Australian species L. wirrabara. In general, detailed macroscopic and microscopic observations are needed to identify species of L. subg. Gerardii

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“…Lactarius was found to comprise two clades, with subgenera Piperites , Russularia , and Plinthogalus constituting the larger newly circumscribed genus Lactarius , and subgenera Lactariopsis , Lactarius, Lactifluus , Russulopsis , Gerardii , and the former Lactarius sect. Edules constitute the newly recognized genus Lactifluus (Buyck et al 2010, Stubbe et al . 2012, Verbeken et al 2011, 2012).…”

Section: Introductionmentioning

confidence: 99%

Peering into the Mediterranean black box: Lactifluus rugatus ectomycorrhizas on Cistus

2016

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We describe the morpho-anatomical features of the ectomycorrhizas (ECMs) formed by Lactifluus rugatus on Cistus, a genus of about 20 species of woody shrubs typical of the Mediterranean maquis. The description of L. rugatus mycorrhizas on Cistus is the first ECM description of a species belonging to Lactifluus subgen. Pseudogymnocarpi. The ECM identity was verified through molecular tools. Anatomically, the characteristic of L. rugatus mycorrhiza is the presence of abundant, long “bottle-shaped” cystidia on mantle surface. Indeed, the overwhelming majority of milkcap mycorrhizas are acystidiate. This is the third Lactarius/Lactifluus mycorrhiza to have been described associated with Cistus, the others being Lactarius cistophilus and L. tesquorum. The phylogenetic distance between all these taxa is reflected by the diversity of the principal features of their ECMs, which share host-depending ECM features known for Cistus, but are otherwise distinguishable on the host roots. Comparison of Lactifluus rugatus ECM with those formed by L. vellereus and L. piperatus on Fagus reveals elevated intrageneric diversity of mycorrhizal structures. Such a diversity is supported by analysis of ITS sequences of relevant species within European Lactifluus species. Our study extends knowledge of Cistus mycorrhizal biology and confirms the informative value of mycorrhizal structures in understanding phylogenetic relationships in ECM fungi.

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(1919) Proposal to conserve Lactarius nom. cons. (Basidiomycota) with a conserved type

Cited by 52 publications

References 0 publications

Phylogenetic and microscopicstudies in the genus Lactifluus(Basidiomycota, Russulales) in West Africa, including the description of four new species

Phylogenetic and microscopicstudies in the genus Lactifluus(Basidiomycota, Russulales) in West Africa, including the description of four new species

The Australasian species of Lactarius subgenus Gerardii (Russulales)

Peering into the Mediterranean black box: Lactifluus rugatus ectomycorrhizas on Cistus

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