''Hygrophorus goetzii'' (''Hygrophorus goetzei'' is an

orthographical variant In biology, within the science of scientific nomenclature, i.e. the naming of organisms, an orthographical variant (abbreviated orth. var.) in botany or an orthographic error in zoology, is a spelling mistake, typing mistake or writing mistake with ...

spelling) is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

fungus A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ...

in the family

Hygrophoraceae The Hygrophoraceae are a family of fungi in the order Agaricales. Originally conceived as containing white-spored, thick-gilled agarics (gilled mushrooms), including ''Hygrophorus'' and ''Hygrocybe'' species (the waxcaps or waxy caps), DNA evide ...

. It is a snowbank mushroom with a rosy-pink

cap A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. Caps typically have a visor, or no brim at all. They are popular in casual and informal se ...

that fades to

cream Cream is a dairy product composed of the higher-fat layer skimmed from the top of milk before homogenization. In un-homogenized milk, the fat, which is less dense, eventually rises to the top. In the industrial production of cream, this process ...

color in maturity.

Taxonomy

The species was first described officially by American mycologists

Lexemuel Ray Hesler Lexemuel Ray Hesler (20 February 1888 – 20 November 1977) was an American mycologist. He was the son of Clinton F. Hesler and Laura Iris (née Youngblood). He obtained his B.A. degree with Wabash College in 1911 and his Ph.D. at the University ...

and

Alexander H. Smith Alexander Hanchett Smith (December 12, 1904 – December 12, 1986) was an American mycologist known for his extensive contributions to the taxonomy and phylogeny of the higher fungi, especially the agarics. Early life Smith, born in Crandon, Wis ...

in their 1963

monograph A monograph is a specialist work of writing (in contrast to reference works) or exhibition on a single subject or an aspect of a subject, often by a single author or artist, and usually on a scholarly subject. In library cataloging, ''monograph ...

on North American ''

Hygrophorus ''Hygrophorus'' is a genus of agarics (gilled mushrooms) in the family Hygrophoraceae. Called "woodwaxes" in the UK or "waxy caps" (together with ''Hygrocybe'' species) in North America, basidiocarps (fruit bodies) are typically fleshy, often wi ...

'' species. The type collection was made near

Timberline Lodge Timberline Lodge is a mountain lodge on the south side of Mount Hood in Clackamas County, Oregon, about east of Portland. Constructed from 1936 to 1938 by the Works Progress Administration, it was built and furnished by local artisans during the ...

in Mt. Hood, Oregon on July 7, 1959. The

specific epithet In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

''goetzii'' honors Donald and Christel Goetze, who collected the type specimens. Hesler and Smith classified it in the

section Section, Sectioning or Sectioned may refer to: Arts, entertainment and media * Section (music), a complete, but not independent, musical idea * Section (typography), a subdivision, especially of a chapter, in books and documents ** Section sign ...

''Fulventes'' of subsection ''Camarophylli'' of genus ''Hygrophorus''.

Description

The

ranges in shape from obtuse to broadly convex, to nearly flattened, measuring in diameter. It has a smooth, slimy or sticky surface that is initially rosy-pink before fading to cream color, and grayish pinkish-

buff Buff or BUFF may refer to: People * Buff (surname), a list of people * Buff (nickname), a list of people * Johnny Buff, ring name of American world champion boxer John Lisky (1888–1955) * Buff Bagwell, a ring name of American professional wr ...

when dry. The pallid to cream-colored

flesh Flesh is any aggregation of soft tissues of an organism. Various multicellular organisms have soft tissues that may be called "flesh". In mammals, including humans, ''flesh'' encompasses muscle Skeletal muscles (commonly referred to as mu ...

is thin, and has a mild taste and odor.

Gills A gill () is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are ...

have an

adnate Adnate may refer to: * Adnation, in botany, the fusion of two or more whorls of a flower * Adnate, in mycology, a classification of lamellae (gills) * Conjoined twins Conjoined twins – sometimes popularly referred to as Siamese twins – are ...

attachment to the stipe and have one tier of interspersed lamellulae (short gills). The stipe measures long by wide, and is roughly equal in width throughout its length. It has a dry surface with a cream color that lightens to about the same color as the cap when dry. The edibility of this species has not been tested. The

spores In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, f ...

, which measure 12–15 by 7–9

μm The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...

, are elliptical to egg-shaped in face view, and inequilateral in side view. The

basidia A basidium () is a microscopic sporangium (a spore-producing structure) found on the hymenophore of fruiting bodies of basidiomycete fungi which are also called tertiary mycelium, developed from secondary mycelium. Tertiary mycelium is highly-c ...

(spore-bearing cells) are four-spored and measure 50–80 by 10–12 μm. The

hymenium The hymenium is the tissue layer on the hymenophore of a fungal fruiting body where the cells develop into basidia or asci, which produce spores. In some species all of the cells of the hymenium develop into basidia or asci, while in others some ...

lacks both

pleurocystidia A cystidium (plural cystidia) is a relatively large cell found on the sporocarp of a basidiomycete (for example, on the surface of a mushroom gill), often between clusters of basidia. Since cystidia have highly varied and distinct shapes that ar ...

and cheliocystidia. The

cap cuticle The pileipellis is the uppermost layer of hyphae in the pileus of a fungal fruit body. It covers the trama, the fleshy tissue of the fruit body. The pileipellis is more or less synonymous with the cuticle, but the cuticle generally describes th ...

is made of a layer of gelatinous, branched, intricately interwoven hyphae measuring 2–4 μm in diameter.

Habitat and distribution

The fruit bodies of ''Hygrophorus goetzi'' grow singly or in small groups on the ground under

conifer Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...

s in

montane Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial f ...

habitats. Because they are snowbank mushrooms, they are often found near melting snow, or sometimes even growing through the snow. Fruiting occurs in spring or early summer.

Similar species

The similar species '' Hygrophorus avellaneifolius'' and '' H. sublutescens'' can be distinguished from ''H. goetzii'' by their smaller spores and two-spored basidia. Also somewhat similar are ''H. caereuleus'' and '' H. subalpinus''.

References

External links