Spathularia flavida
| Spathularia flavida | |
|---|---|
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| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Leotiomycetes |
| Order: | Helotiales |
| Family: | Cudoniaceae |
| Genus: | Spathularia |
| Species: | S. flavida |
| Binomial name | |
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Spathularia flavida Pers. (1797) |
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| Synonyms | |
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Helvella clavata Schaeff. (1774) |
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| Spathularia flavida | |
|---|---|
| Mycological characteristics | |
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smooth hymenium |
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stipe is bare |
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spore print is buff |
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ecology is saprotrophic |
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edibility: unknown |
Helvella clavata Schaeff. (1774)
Boletus elvela Batsch (1783)
Spathularia flava Pers. (1797)
Spathularia clavata (Schaeff.) Sacc. (1889)
Mitruliopsis flavida Peck (1903)
Spathularia flavida, commonly known as the yellow earth tongue, the yellow fan, or the fairy fan, is an ascomycete fungus found in coniferous forests of Asia, Europe and North America. It produces a small, fan- or spoon-shaped fruit body with a flat, wavy or lobed cream to yellow colored "head" raised on a white to cream stalk. The height is usually approximately 2–5 cm (0.8–2.0 in), and up to 8 cm (3.1 in). The fungus fruits on the ground in mosses, forest duff or humus, and fruit bodies may occur singly, in large groups, or in fairy rings. The spores produced by the fungus are needle-like, and up to 95 micrometers long. Several varieties have been described that differ largely in their microscopic characteristics. S. flavida has been described by authorities variously as inedible, of unknown edibility, or edible but tough.
The species was first described in 1774 by the German botanist Jacob Christian Schäffer. Schaeffer gave it the binomial Elvella clavata, and called it Der keulenförmige Faltenschwamm ("the club-shaped wrinkled sponge") in the vernacular. In 1794, Christian Hendrik Persoon published Spathularia flavida as a nomen novum (new replacement name), as Schaeffer's published name was not legitimate. Elias Fries sanctioned this name in the first edition of his Systema Mycologicum (1821). According to the taxonomical database MycoBank, additional synonyms include Boletus elvela as defined by August Johann Georg Karl Batsch in 1783, and Spathularia clavata published by Pier Andrea Saccardo in 1889. In a 1955 publication, American mycologist Edwin Butterworth Mains considered Charles Horton Peck's 1903 Mitruliopsis flavida to be the same species as S. flavida.
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