Cortinarius fuscobovinaster
species of fungus
Cortinarius fuscobovinaster is an agaric fungus in the family Cortinariaceae, formally described in 2013 based on specimens collected from limestone woodland near Steinkjer, Norway. The species features a greyish-brown cap measuring 2.5–7 centimetres across, moderately spaced gills that transition from pale brown to dark reddish-brown, and a whitish stipe that quickly browns with age. It fruits in early September in coniferous forests on lime-rich soils throughout central and northern Europe's hemiboreal and southern boreal zones, primarily in well-preserved natural forest reserves.
Taxonomy
Cortinarius fuscobovinaster was formally described in 2013 by Ilkka Kytövuori, Tuula Niskanen, and Kare Liimatainen following combined morphological study and DNA sequencing (ITS and rpb2 regions). The epithet fuscobovinaster — from Latin fuscus' ('dark brown') and bovinus ("of C. bovinus") — alludes to both its darker specimens when dried and found in herbaria (dried specimens in Latin: specimina exsiccata) and its close resemblance to Cortinarius bovinidus. The holotype was collected on 5 September 2009 by Kytövuori in a karst (limestone) woodland near Steinkjer, Nord-Trøndelag, Norway. The type collection (Kytövuori 09‑537) was deposited in the herbarium of the University of Helsinki.
Description
The cap (pileus) of C. fuscobovinaster measures 2.5–7 cm across. Initially hemispherical with an inrolled margin, it soon flattens to a low convex or nearly level shape, occasionally bearing a small central bump (umbo). Its surface is covered in fine, innate fibres (fibrillose) and appears greyish‑brown when fresh; as it dries (hygrophanous), streaks of paler, yellowish‑brown appear.
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This entry incorporates text from “Cortinarius fuscobovinaster” 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.