Hygrophorus russula

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Hygrophorus russula
2011-10-09 Hygrophorus russula (Schaeff.) Kauffman 175022.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hygrophoraceae
Genus: Hygrophorus
Species:
H. russula
Binomial name
Hygrophorus russula
Synonyms [1]
  • Agaricus russula Schaeff. (1774)

Hygrophorus russula, commonly known as the pinkmottle woodwax, false russula and russula-like waxy cap, [2] is a fungus native to North America and Europe. [3]

German naturalist Jacob Christian Schäffer described the species as Agaricus russula in 1774. [4] The species name is derived from its reddish coloration, reminiscent of members of the genus Russula . [5] French botanist Claude Casimir Gillet placed it in the genus Tricholoma in 1878, before American naturalist Calvin Henry Kauffman transferred it to Hygrophorus in 1918. Though Kauffman thought it resembled Tricholoma, he held that its waxy gills showed it to be better suited to the genus Hygrophorus. [5]

The fruit bodies, or mushrooms, can be abundant some years, especially after rainfall, sometimes appearing in arcs or fairy rings. [2] The cap is hemispherical before flattening out with age, though the cap margin remains inrolled. Reaching 5–12 cm (2–4+34 in) in diameter, it has a base colour of white or pink with streaks of pink, wine-red or purple. [6] The cap surface is sticky when young. The firm flesh is pink or white and has no strong taste or smell. The crowded gills are decurrent. White when young, they become discoloured with pink and wine-red stains. The stipe is 2–10 cm (34–4 in) high and 1.5–3.5 cm (121+12 in) wide. The spore print is white, the smooth oval spores measuring 6–8 by 3–5 μm under the microscope. [7] [6]

It can be distinguished from russulas by its non-brittle stipe. [8] The edible but poor Hygrophorus purpurascens is similar but has a veil and grows under conifers. [9]

In eastern North America, it appears under oak from August to October. [7] It is more common in the east of the continent than the west. [8]

The mushroom is edible but sources differ as to its quality. [2] [7] [10] [6]

See also

Related Research Articles

<i>Russula brevipes</i> Species of fungus

Russula brevipes is a species of mushroom commonly known as the short-stemmed russula or the stubby brittlegill. It is widespread in North America, and was reported from Pakistan in 2006. The fungus grows in a mycorrhizal association with trees from several genera, including fir, spruce, Douglas-fir, and hemlock. Fruit bodies are white and large, with convex to funnel-shaped caps measuring 7–30 cm (3–12 in) wide set atop a thick stipe up to 8 cm (3 in) long. The gills on the cap underside are closely spaced and sometimes have a faint bluish tint. Spores are roughly spherical, and have a network-like surface dotted with warts.

<i>Tricholoma terreum</i> Species of fungus

Tricholoma terreum, commonly known as the grey knight or dirty tricholoma, is a grey-capped mushroom of the large genus Tricholoma. It is found in coniferous woodlands in Europe, and has also been encountered under introduced pine trees in Australia. It is regarded as edible. A 2014 article speculated that it may be poisonous, but Sitta et al. in 2016 published in the same journal a counter article demonstrating the unfounded nature of such speculation.

<i>Hygrophorus subalpinus</i> Species of fungus

Hygrophorus subalpinus, commonly known as the subalpine waxycap, is a species of white snowbank fungus in the family Hygrophoraceae. Found in the mountains of western North America, it is found growing on the ground under conifers, usually near snowbanks.

<i>Russula albidula</i> Species of fungus

Russula albidula is a species of mushroom in the genus Russula. The species, known in the vernacular as the boring white russula or the whitish brittlegill, is nondescript, with a small or medium dirty white fruit body, and a highly acrid taste. It is found in eastern North America.

<i>Tricholoma saponaceum</i> Species of fungus

Tricholoma saponaceum, also known as the soap-scented toadstool, soapy knight or soap tricholoma is an inedible mushroom found in woodlands in Europe and North America.

<i>Cystolepiota bucknallii</i> Species of fungus

Cystolepiota bucknallii is a species of basidiomycete fungus of the genus Cystolepiota. Found throughout Europe, it is a rare fungus occurring in deciduous forests. The small fruit bodies bear a distinctive smell of coal gas and appear in autumn on damp ground. It is not an edible mushroom.

<i>Hygrophorus eburneus</i> Species of fungus

Hygrophorus eburneus, commonly known as the ivory waxy cap or the cowboy's handkerchief, is a species of edible mushroom in the waxgill family of fungi. It is widespread in Europe and North America, and has also been collected in northern Africa. The fruit bodies are medium-sized, pure white, and when wet are covered in a layer of slime thick enough to make the mushroom difficult to pick up. The gills are broadly attached to the stem or running down it; as the family name suggests, they feel waxy when rubbed between the fingers. Like all Hygrophorus species, the fungus is mycorrhizal—a symbiotic association whereby the underground fungal mycelia penetrate and exchange nutrients with tree roots. They are common in a variety of forest types, where they grow on the ground in thickets or grassy areas. Hygrophorus eburneus is the type species of the genus Hygrophorus. A number of biologically active chemicals have been purified from the fruit bodies of the fungus, including fatty acids with bactericidal and fungicidal activity.

<i>Hygrophorus bakerensis</i> Species of fungus

Hygrophorus bakerensis, commonly known as the Mt. Baker waxy cap, the brown almond waxy cap or the tawny almond waxy cap, is a species of fungus in the family Hygrophoraceae. It is characterized by its medium to large, relatively slender-statured fruit bodies with an almond odor, and growth often on or near rotting conifer wood. The slimy cap is brown in the center and cream to white near its curved edges. The gills and the stem are white, and in moist environments are often covered with droplets of a translucent liquid. The mushroom is known only from the United States, where it is common in coniferous forests throughout the Pacific Northwest. It was initially collected in Washington State on Mount Baker, a volcano. Although edible, the mushroom is not considered to be of high quality.

<i>Hygrophorus marzuolus</i> Species of fungus

Hygrophorus marzuolus, commonly known as the March mushroom, is a species of fungus in the family Hygrophoraceae. It is known from Asia, Europe, and North America, where it grows on the ground in mixed forests at high elevations.

<i>Hygrophorus purpurascens</i> Species of fungus

Hygrophorus purpurascens, commonly known as the veiled purple hygrophorus, is a species of agaric fungus in the family Hygrophoraceae. Its cap has a pink background color with streaks of purplish red overlaid, and mature gills have red spots.

<i>Hygrophorus hypothejus</i> Species of fungus

Hygrophorus hypothejus, commonly known as herald of the winter, is an edible species of fungus in the genus Hygrophorus native to Europe. It appears in late autumn in coniferous forests, often with the first frosts.

<i>Cuphophyllus pratensis</i> Species of fungus

Cuphophyllus pratensis is a species of agaric in the family Hygrophoraceae. It has been given the recommended English name of meadow waxcap in the UK and in North America has variously been called the meadow waxy cap, salmon waxy cap, and butter meadowcap. The species has a widespread, mainly temperate distribution, occurring in grassland in Europe and in woodland elsewhere. The basidiocarps are edible and are occasionally collected and sold commercially.

<i>Hygrophorus olivaceoalbus</i> Species of fungus

Hygrophorus olivaceoalbus, commonly known as the olive wax cap, is a species of fungus in the genus Hygrophorus. The fruit bodies (mushrooms) appear from midsummer to late autumn under conifers in North American and Eurasian mountain forests. The mushrooms have olive-brown, slimy caps with dark streaks and a dark umbo; the caps measure 3 to 12 cm in diameter. Other characteristic features include a slimy stem up to 12 cm long that is spotted with ragged scales up to a ring-like zone. As its name implies, the mushroom has a waxy cap and gills. It is native to North America and across the northern regions of Europe. According to a publication by the Council of Europe, the fungus is nearly extinct in France.

<i>Tricholoma vaccinum</i> Fungus of the agaric genus Tricholoma

Tricholoma vaccinum, commonly known as the russet scaly tricholoma, the scaly knight, or the fuzztop, is a fungus of the agaric genus Tricholoma. It produces medium-sized fruit bodies (mushrooms) that have a distinctive hairy reddish-brown cap with a shaggy margin when young. The cap, which can reach a diameter of up to 6.5 cm (2.6 in) wide, breaks up into flattened scales in maturity. It has cream-buff to pinkish gills with brown spots. Its fibrous, hollow stipe is white above and reddish brown below, and measures 4 to 7.5 cm long. Although young fruit bodies have a partial veil, it does not leave a ring on the stipe.

<i>Tricholoma vernaticum</i> Species of fungus

Tricholoma vernaticum is an agaric fungus of the genus Tricholoma native to the Pacific Northwest region of the United States. The fungus was originally described in 1976 as a species of Armillaria when that genus was more inclusive; it received its current name twenty years later. The stout fruit bodies (mushrooms) have moist white to grayish caps, a membranous ring on the stipe, and an odor resembling cucumbers. Mycorrhizal with conifers, the fungus fruits in the spring or early summer, with its mushrooms appearing on the ground singly or in groups at high elevations, often at the edge of melting snowbanks. The edibility of the mushroom is unknown, but it has a strong unpleasant odor and a mealy taste.

<i>Russula crustosa</i> Species of fungus

Russula crustosa, commonly known as the crusty russula, is a species of fungus in the family Russulaceae. It is found in Asia and North America.

<i>Hygrophorus caeruleus</i> Species of fungus

Hygrophorus caeruleus is a rare species of agaric fungus in the family Hygrophoraceae. Found in the western United States, the mushroom is characterized by its stout fruit body including blue-tinted cap margin and stipe, blue-grey to bluish green gills, and odor of rancid meal.

<i>Hygrophorus erubescens</i> 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.

<i>Hygrophorus pudorinus</i> Species of fungus

Hygrophorus pudorinus, commonly known as the blushing waxycap or turpentine waxycap, is a species of fungus in the genus Hygrophorus.

<i>Hygrocybe appalachianensis</i> Species of fungus

Hygrocybe appalachianensis, commonly known as the Appalachian waxy cap, is a gilled fungus of the waxcap family. It is found in the eastern United States, where it fruits singly, in groups, or clusters on the ground in deciduous and mixed forests. The species, described in 1963 from collections made in the Appalachian Mountains, was originally classified in the related genus Hygrophorus. It was transferred to Hygrocybe in 1998, in which it has been proposed as the type species of section Pseudofirmae.

References

  1. "Fungorum synonymy: Hygrophorus russula". Species Fungorum. CAB International. Retrieved 23 October 2015.
  2. 1 2 3 Huffman DM (2008). Mushrooms and Other Fungi of the Midcontinental United States (Bur Oak Guide). Iowa City, Iowa: University of Iowa Press. p. 85. ISBN   9781587297250.
  3. Bas C (1990). Flora Agaricina Neerlandica. Vol. 2. CRC Press. p. 121. ISBN   9789061919711.
  4. Schaeffer JC. (1774). Fungorum qui in Bavaria et Palatinatu Nascuntur Icones (in Latin). Vol. 1. p. 58.
  5. 1 2 Kauffman CH (1918). The Agaricaceae of Michigan. Publications Mich. geol. biol. Surv., Biol. Ser. 5 26. Lansing, Michigan: Wynkoop, Hallenbeck Crawford Co. p.  185.
  6. 1 2 3 Davis, R. Michael; Sommer, Robert; Menge, John A. (2012). Field Guide to Mushrooms of Western North America. Berkeley: University of California Press. pp. 130–131. ISBN   978-0-520-95360-4. OCLC   797915861.
  7. 1 2 3 Bessette A, Bessette AR, Fischer DW (1997). Mushrooms of Northeastern North America. Syracuse, New York: Syracuse University Press. p. 145. ISBN   978-0-8156-0388-7.
  8. 1 2 Arora, D. (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (2nd ed.). Berkeley: Ten Speed Press. pp.  123–24. ISBN   0-89815-169-4.
  9. Roody WC. (2003). Mushrooms of West Virginia and the Central Appalachians. Lexington, Kentucky: University Press of Kentucky. p. 143. ISBN   0-8131-9039-8.
  10. Phillips, Roger (2010) [2005]. Mushrooms and Other Fungi of North America. Buffalo, NY: Firefly Books. p. 86. ISBN   978-1-55407-651-2.

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