Laccaria amethystina (Rodekoolzwam - Amethystzwam (BE) / Amethyst Deceiver (EN) / Violetter Lacktrichterling (DE) / Laccaire améthyste (FR)) is a species of fungi in the Hydnangiaceae family. It is a small brightly colored, edible mushroom, mycorrhizal with hardwoods (especially partial to oak and beech). Because its bright amethyst coloration fades with age and weathering (often resulting in "two-toned" specimens like the aged one in the image), it becomes difficult to identify, hence the common name ‘Deceiver’.
Research has shown that L. amethystina is a so-called "ammonia fungus", an ecological classification referring to those fungi that grow abundantly on soil after the addition of ammonia, or other nitrogen-containing material.
Image: Malle (BE) - 03/10/2010
© Johan Dierckx
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