Untangling the Lactifluus clarkeae - Lf. flocktoniae(Russulaceae) species complex in Australasia.

IF 9.5 1区生物学 Q1 MYCOLOGY Persoonia Pub Date : 2021-08-01 Epub Date: 2021-08-03 DOI:10.3767/persoonia.2023.47.01

T Lebel, J Douch, L Tegart, L Vaughan, J A Cooper, J Nuytinck

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Abstract

The Lactifluus clarkeae complex is a commonly observed, generally brightly coloured, group of mushrooms that are usually associated with Nothofagus or Myrtaceous hosts in Australia and New Zealand. For this study collections labelled as 'Lactarius clarkeae', 'Russula flocktoniae' and 'Lactarius subclarkeae' were examined morphologically and molecularly. Analyses of molecular data showed a high cryptic diversity, with sequences scattered across 11 clades in three subgenera within Lactifluus, and a single collection in Russula. We select epitypes to anchor the currently accepted concepts of Lf. clarkeae s.str. and Lf. flocktoniae s.str. The name Lf. subclarkeae could not be applied to any of the collections examined, as none had a lamprotrichoderm pileipellis. Lactifluus clarkeae var. aurantioruber is raised to species level, and six new species are described, three in subg. Lactifluus: Lf. jetiae, Lf. pagodicystidiatus, and Lf. rugulostipitatus, and three in subg. Gymnocarpi: Lf. albens, Lf. psammophilus, and Lf. pseudoflocktoniae. A new collection of Lf. russulisporus provides a significant range extension for the species. Untangling this complex will enable better identification of species and increase understanding of diversity and specific habitat associations of macrofungi. Citation: Lebel T, Douch J, Tegart L, et al. 2021. Untangling the Lactifluus clarkeae - Lf. flocktoniae (Russulaceae) species complex in Australasia. Persoonia 47: 1-44. https://doi.org/10.3767/persoonia.2021.47.01.

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解开澳大拉西亚的 Lactifluus clarkeae - Lf. flocktoniae（Russulaceae）物种复合体。

Lactifluus clarkeae复合蘑菇是一种常见的蘑菇，通常颜色鲜艳，在澳大利亚和新西兰通常与Nothofagus或Myrtaceous寄主伴生。本研究对标有 "Lactarius clarkeae"、"Russula flocktoniae "和 "Lactarius subclarkeae "的采集物进行了形态学和分子学研究。分子数据分析显示了高度的隐蔽多样性，序列分散在 Lactifluus 中三个亚属的 11 个支系中，以及 Russula 中的一个集合中。我们选择了表型来固定目前公认的 Lf. clarkeae s.str. 和 Lf. flocktoniae s.str. 的概念。subclarkeae这个名称不能应用于所考察的任何采集品，因为它们都没有灯毛绒毛。aurantioruber 提高到种级，并描述了 6 个新种，其中 3 个属于 Lactifluus 亚种：Lf.jetiae、Lf.pagodicystidiatus 和 Lf.rugulostipitatus，以及 Gymnocarpi 亚种中的三个：Lf. albens、Lf. psammophilus 和 Lf. pseudoflocktoniae。新采集的 Lf. russulisporus 为该物种提供了一个重要的分布区。弄清这一复合体将有助于更好地识别物种，并加深对大型真菌的多样性和特定栖息地关联的了解。引用：Lebel T, Douch J, Tegart L, et al.解开澳大拉西亚的 Lactifluus clarkeae - Lf. flocktoniae（Russulaceae）物种复合体。Persoonia 47: 1-44. https://doi.org/10.3767/persoonia.2021.47.01.

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来源期刊

Persoonia MYCOLOGY-

CiteScore

17.70

自引率

5.50%

发文量

审稿时长

3 months

期刊介绍： Persoonia aspires to publish papers focusing on the molecular systematics and evolution of fungi. Additionally, it seeks to advance fungal taxonomy by employing a polythetic approach to elucidate the genuine phylogeny and relationships within the kingdom Fungi. The journal is dedicated to disseminating high-quality papers that unravel both known and novel fungal taxa at the DNA level. Moreover, it endeavors to provide fresh insights into evolutionary processes and relationships. The scope of papers considered encompasses research articles, along with topical and book reviews.