Gyrodon lividus
| Gyrodon lividus | |
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| Gyrodon lividus | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Boletales |
| Family: | Paxillaceae |
| Genus: | Gyrodon |
| Species: | G. lividus |
| Binomial name | |
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Gyrodon lividus (Bull.) Sacc. (1888) |
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| Synonyms | |
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| Gyrodon lividus | |
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| Mycological characteristics | |
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pores on hymenium |
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cap is flat |
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hymenium is decurrent |
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stipe is bare |
 
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spore print is olive to brown |
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edibility: edible |
spore print is olive
Gyrodon lividus, commonly known as the alder bolete, is a pored mushroom bearing close affinity to the genus Paxillus. Although found predominantly in Europe, where it grows in a mycorrhizal association with alder, it has also recorded from China, Japan and California. Fruit bodies are distinguished from other boletes by decurrent bright yellow pores that turn blue-grey on bruising. G. lividus mushrooms are edible.
The alder bolete was initially described by French mycologist Pierre Bulliard in 1791 as Boletus lividus, before being given its current binomial name in 1888 by Pier Andrea Saccardo when he transferred it to Gyrodon. When Saccardo circumscribed Gyroporus, he included Boletus sistotremoides (published by Elias Fries in 1815) as the type species. Rolf Singer later determined that Fries's taxon was the same species as Gyroporus lividus. Before this, in 1886 Lucien Quélet erected the genus Uliporus with Boletus lividus as the type. As a result of Singer's discovery, the genus Uliporus was rendered obsolete, and Boletus sistrotremoides became synonymous with Gyropus lividus. The generic term Gyrodon is derived from the Ancient Greek gyros "whorl" and odon "tooth", while the specific epithet lividus is Latin for "lead-coloured". The fungus is commonly known as the alder bolete.
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Wikipedia