Hygrophorus_erubescens

<i>Hygrophorus erubescens</i>

Hygrophorus erubescens

Species of fungus

Hygrophorus erubescens, commonly known as the blotched woodwax or pink waxcap, is an agaric fungus native to Scandinavia, Japan, Central Europe, Great Britain and North America.[2]

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Taxonomy

Swedish mycologist Elias Magnus Fries described it as Agaricus erubescens in his 1821 work Systema Mycologicum.[3] The species name is derived from the Latin erubescens, meaning "reddening" or "blushing". It became Hygrophorus erubescens with the raising of Hygrophorus to genus rank. Common names include blotched woodwax,[4] and pink waxcap.[5]

The species is classified in the subsection Pudorini of genus Hygrophorus, along with the closely related species H. pudorinus and H. purpurascens.[6]

Description

The fruit body (mushroom) is a fair size, with a 4–8 cm (1+5⁄8–3+1⁄8 in) diameter light pink to white cap that can be dotted with darker pink or red marks and bruises yellow.[2] The colour is darker in the cap centre.[5] Convex and flattening with age, the cap often has a boss and an inrolled margin when young. Its surface is slimy or sticky. The white gills are adnate to somewhat decurrent, becoming pale pink as they mature. The stipe is 5–8 cm (2–3+1⁄8 in) tall and 0.8–1.5 cm (3⁄8–5⁄8 in) wide. The spore print is white and the oval spores measure 6.5–11 x 4.5–6.5 micrometres.[2] The mushroom has no strong odor or taste,[5] though the former is sometimes described as pleasant.[7]

The species is inedible.[8]

Similar species

The similar-looking Hygrophorus russula can be distinguished by its more crowded gills and preference for hardwood forests, and H. purpurascens has a partial veil.[5] H. capreolaris is more evenly red in color, and does not stain yellow. H. amarus has a bitter-tasting cap and somewhat yellowish gills.[7]

Habitat and distribution

Hygrophorus erubescens fruits from August to October in coniferous forests, particularly spruce, on chalky soils.[2] The mushrooms are found singly or sometimes in large troops. The range in North America is from the Rocky Mountains to the West Coast and Tennessee north to the Great Lakes region and southern parts of Canada.[5] The fungus is classified as extinct in the British Mycological Society's 2006 list of threatened fungi,[9] as it has not been documented in Great Britain since 1878.[10] It is found across Scandinavia,[2] and has been recorded fruiting at high altitudes in alpine-subalpine regions of Russia,[11] and mountainous parts of Central Europe.[2] The species has been found in the East and Middle Black Sea regions of Turkey.[12] In Japan, it is most common in coniferous woods, and has been recorded from Hokkaido and Honshu.[13]

See also

References

  1. [1]
    "GSD Species Synonymy: Hygrophorus erubescens (Fr.) Fr". Species Fungorum. CAB International. Retrieved 2014-06-16.
  2. [2]
    Bas C. (1990). Flora Agaricina Neerlandica. Vol. 2. CRC Press. p. 121. ISBN 978-90-6191-971-1.
  3. [3]
    Fries EM. (1821). Systema Mycologicum (in Latin). Vol. 1. Lund: Ex Officina Berlingiana. p. 32 – via BHL.
  4. [4]
    Holden, E.M. (2003). "Recommended English Names for Fungi in the UK" (PDF). British Mycological Society. Archived from the original (PDF) on 2013-03-02.
  5. [5]
    McKnight KH, Peterson RT, McKnight VB (1998). A Field Guide to Mushrooms: North America. Houghton Mifflin Harcourt. p. 206. ISBN 978-039591090-0.
  6. [6]
    Lodge DJ; et al. (2014). "Molecular phylogeny, morphology, pigment chemistry and ecology in Hygrophoraceae (Agaricales)" (PDF). Fungal Diversity. 64 (1): 1–99 (see 64). doi:10.1007/s13225-013-0259-0. S2CID 220615978. Open access icon
  7. [7]
    Trudell, Steve; Ammirati, Joe (2009). Mushrooms of the Pacific Northwest. Timber Press Field Guides. Portland, OR: Timber Press. p. 68. ISBN 978-0-88192-935-5.
  8. [8]
    Phillips, Roger (2010) [First published 2005]. Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 86. ISBN 978-1-55407-651-2 – via Internet Archive.
  9. [9]
    Evans S, Henrici A, Ing B (2006). "Red List for Threatened British Fungi". British Mycological Society.
  10. [10]
    Weightman J. (2009). "Dr Bull's paintings of fungi". Field Mycology. 10 (4): 113–21. doi:10.1016/S1468-1641(10)60606-8.
  11. [11]
    Kovalenko AE. (1999). "The arctic-subarctic and alpine-subalpine component in the Hygrophoraceae of Russia". Kew Bulletin. 54 (3): 695–704. doi:10.2307/4110865. JSTOR 4110865.
  12. [12]
    Sesli, E. (2007). "Preliminary checklist of macromycetes of the East and Middle Black Sea Regions of Turkey" (PDF). Mycotaxon. 99: 71–74.
  13. [13]
    Imai S. (1938). "Studies on the Agaricaceae of Hokkaido. 1". Journal of the Faculty of Agriculture of the Hokkaido Imperial University. 43: 102.
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