Abstract
This study presents up-to-date data on the distribution of the Western Painted Suillus <em>Suillus lakei</em> in Poland. This alien species of fungus was first recorded in Poland in 2012, followed by a second recording in 2013. The third site, presented in this article, was discovered in 2016. A description of the newly discovered site and the basidiomata is given. All three sites of <em>S. lakei</em> are located on private properties overgrown with young Douglas fir. Two of the three recorded sites are located within the boundaries of the Wielkopolskie Province, and one in the Kujawsko-Pomorskie Province. Further expansion of this fungus in Poland is expected.
Highlights
Introduction& Thiers is an example of an additional alien species of mycobiota – besides Agaricus subrufescens Peck [1,2] and Aureoboletus projectellus (Murrill) Halling [3] – recorded in Poland in recent years
Suillus lakei is well known as ectomycorrhizal with the Douglas fir, and its basidiomata can be found on the ground in summer and fall amidst the grass of young coniferous forests as well as in parks and gardens with Douglas fir
The first record of S. lakei was reported after nearly 100 years from the first introduction of the Douglas firs to Europe and originate from Denmark from 1920
Summary
& Thiers is an example of an additional alien species of mycobiota – besides Agaricus subrufescens Peck [1,2] and Aureoboletus projectellus (Murrill) Halling [3] – recorded in Poland in recent years. This fungus is known under a number of synonymous names: Boletus lakei Murrill, Boletinus lakei (Murrill) Singer, Ixocomus lakei (Murrill) Singer, and Suillus amabilis (Peck) Singer [4]. In North America, basidiomata of S. lakei are commonly observed in direct vicinity of spike-cap Gomphidius subroseus Kauffman, which is probably a parasite on the mycorrhizal mycelium of the Western Painted Suillus [7]
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