HYGROPHANOUS

''Mycena haematopus'' - The center of the cap is darker, showing this mushrooms hygrophanous nature

Another hygrophanous mushroom

The adjective 'hygrophanous' refers to the color change of mushroom tissue (especially the pileus surface) as it loses or absorbs water, which causes the pileipellis to become more transparent when wet and opaque when dry.
When identifying hygrophanous species, one needs to be careful when matching colors to photographs or descriptions, as color can change dramatically soon after picking.
Genera that are characterized by hygrophanous species include ''Agrocybe'', ''Psathyrella'', ''Psilocybe'', ''Panaeolus'', and ''Galerina''.

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External links

External links

★ IMA Mycological Glossary: Hygrophanous

★ Wisconsin Mycological Society: ''Psathyrella'' Photographs of ''Psathyrella'', a mushroom with a strongly hygrophanous pileus.