Inocybe geophylla
species of fungus

Inocybe geophylla, commonly known as the little white inocybe, white fiberhead, earthy inocybe, common white inocybe or white fibercap, is a species of fungi in the genus Inocybe. It has a common lilac-coloured variety, lilacina.
Inocybe geophylla forms a small white to cream mushroom with a fibrous silky umbonate cap and adnexed gills. It is widespread in Europe and North America, appearing under conifer and deciduous trees in summer and autumn. The mushroom is poisonous.
Taxonomy
It was first described in 1799 as Agaricus geophyllus by English naturalist James Sowerby in his work Coloured Figures of English Fungi or Mushrooms. Christiaan Hendrik Persoon spelt it Agaricus geophilus in his 1801 work Synopsis methodica fungorum. Its specific epithet is derived from the Ancient Greek terms geo- "earth", and phyllon "leaf". It was given its current binomial name in 1871 by Paul Kummer.
A lilac form is known as var.
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Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Oct 27, 2025. The linked authority identifier is Q1333853. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1799, 1801 and 1871.
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This entry incorporates text from “Inocybe geophylla” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.