Английская Википедия:Hygrophoropsis rufa

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Hygrophoropsis rufa is a species of fungus in the family Hygrophoropsidaceae. It is found in Europe, where it grows on woodchips or near conifer stumps.

Taxonomy

Originally described by Derek Reid in 1972 as a variety of Hygrophoropsis aurantiaca,[1] it was raised to distinct species status in 2008.[2] Molecular analysis of DNA sequences confirms its genetic uniqueness, and its status as sister species to H. aurantiaca.[3]

Description

The fruit body has an orange- to dark brown cap,[3] which is up to 10 cm (4 in) across. The stipe, flesh and decurrent gills are all orange. The gills are forked.[4] Hygrophoropsis rufa can have a penetrating ozone-like smell, reportedly reminiscent of an orchid species Oncidium ornithorhynchum or a photocopier.[5]

Spores of H. rufa are thick-walled and have an ellipsoid shape,[5] and measure 5.6–6.4 by 3.6–4.4 micrometres (μm).[3] They have a strongly dextrinoid staining reaction with Melzer's reagent (resulting in a reddish-brown colour), although not all spores will react. Microscopically, the cells of the cap cuticle are arranged in the form of a trichoderm, where the outermost hyphae emerge roughly parallel, like hairs, perpendicular to the cap surface. These hyphae are of three types: broad, thick-walled and hyaline (translucent); filiform (threadlike); or with granular golden-brown contents. In contrast, the cap cuticle of H. aurantiaca is arranged as a uniformly tangled cutis (with hyphae parallel to the pileus surface).[5]

Habitat and distribution

A rare species, H. rufa has been recorded in the United Kingdom, Austria, Germany, and Denmark, although unconfirmed internet photos suggest a wider range that includes France and Slovakia.[3] A saprophytic fungus, it fruits on woodchips or near conifer stumps.[5]

References

Шаблон:Reflist

External links

Шаблон:Taxonbar

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  1. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Reid 1972 не указан текст
  2. ↑ Ошибка цитирования Неверный тег <ref>; для сносок Knudsen 2008 не указан текст
  3. ↑ 3,0 3,1 3,2 3,3 Ошибка цитирования Неверный тег <ref>; для сносок Holec 2013 не указан текст
  4. ↑ Ошибка цитирования Неверный тег <ref>; для сносок urlBoletales не указан текст
  5. ↑ 5,0 5,1 5,2 5,3 Ошибка цитирования Неверный тег <ref>; для сносок Kibby 2012 не указан текст
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