Clavarioid fungi

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Clavaria zollingeri Clavaria zollingeri 90973.jpg
Clavaria zollingeri

The clavarioid fungi are a group of fungi in the Basidiomycota typically having erect, simple or branched basidiocarps (fruit bodies) that are formed on the ground, on decaying vegetation, or on dead wood. They are colloquially called club fungi and coral fungi.

Contents

Originally such fungi were referred to the genus Clavaria ("clavarioid" means Clavaria-like), but it is now known that clavarioid species are not all closely related. Since they are often studied as a group, it is convenient to retain the informal (non-taxonomic) name of "clavarioid fungi" and this term is frequently used in research papers.

History

Clavaria was one of the original genera created by Linnaeus in his Species Plantarum of 1753. It contained all species of fungi with erect, club-shaped or branched (coral-like) fruit bodies, including many that are now referred to the Ascomycota. Subsequent authors described over 1200 species in the genus. [1] With increasing use of the microscope in the late nineteenth century, most of the ascomycetous members of the genus were recognized as distinct and moved to other genera. Clavaria was still used for the majority of the basidiomycetous species until Donk reviewed Dutch species in 1933 (introducing the genera Clavariadelphus , Ramariopsis , and Ramaria in its modern sense) [2] and Corner published his world monograph in 1950, introducing most of the remaining modern genera. [3] DNA sequencing has since confirmed the diversity of the clavarioid fungi, not only placing species in different genera, but also in different families and orders. [4] [5]

Description and genera

The clavarioid fungus Artomyces pyxidatus, USA Artomyces pyxidatus 50537.jpg
The clavarioid fungus Artomyces pyxidatus , USA
Clavaria fragilis, Austria Clavaria fragilis IKAl 090920 1.jpg
Clavaria fragilis , Austria

Most clavarioid fungi have simple or branched fruit bodies that are erect (or pendant from wood in the genus Deflexula ). The spores are born on the sides of the clubs or branches and the spore-bearing surface is typically smooth or ridged, occasionally warted to weakly spiny.

The largest current genus is Ramaria, which has species with branched fruit bodies and ochre to brownish spores. Clavariadelphus, producing large, club-shaped fruit bodies, is closely related. [5] Clavaria in its modern sense is restricted to white-spored species, many simple, some branched. It is not clearly distinguished from two related genera, Clavulinopsis and Ramariopsis. [4] The genus Typhula contains a number of small, sometimes minute species with simple fruit bodies. Smaller genera of clavarioid fungi include Alloclavaria , Aphelaria , Artomyces , Chaetotyphula , Clavariachaete , Clavicorona , Clavulina , Ertzia , Lachnocladium , Lentaria , Lepidostroma , Multiclavula , Pterula , Scytinopogon , and Sulzbacheromyces .

Habitat and distribution

Many clavarioid fungi are saprotrophic with a terrestrial habit, growing in woodland leaf litter or in mossy grassland. A few grow on wood or on decaying herbaceous stems and fallen leaves. Some species, particularly in the genera Clavulina and Ramaria, are known to be ectomycorrhizal (forming a beneficial association with the roots of living trees). Species in the genera Ertzia, Multiclavula, Lepidostroma, and Sulzbacheromyces are lichenized and grow in association with algae. Species of the Ramaria subgenus Ramaria are ectomycorrhizal.

Clavarioid fungi have a worldwide distribution, though some genera—such as Aphelaria and Lachnocladium—are principally tropical.

Related Research Articles

<span class="mw-page-title-main">Cantharellales</span> Order of fungi

The Cantharellales are an order of fungi in the class Agaricomycetes. The order includes not only the chanterelles (Cantharellaceae), but also some of the tooth fungi (Hydnaceae), clavarioid fungi, and corticioid fungi (Botryobasidiaceae). Species within the order are variously ectomycorrhizal, saprotrophic, associated with orchids, or facultative plant pathogens. Those of economic importance include edible and commercially collected Cantharellus, Craterellus, and Hydnum species as well as crop pathogens in the genera Ceratobasidium and Thanatephorus (Rhizoctonia).

<span class="mw-page-title-main">Hymenochaetales</span> Order of fungi

The Hymenochaetales are an order of fungi in the class Agaricomycetes. The order in its current sense is based on molecular research and not on any unifying morphological characteristics. According to one 2008 estimate, the Hymenochaetales contain around 600 species worldwide, mostly corticioid fungi and poroid fungi, but also including several clavarioid fungi and agarics. Species of economic importance include wood decay fungi in the genera Phellinus and Inonotus sensu lato, some of which may cause losses in forestry. Therapeutic properties are claimed for Inonotus obliquus ("chaga") and Phellinus linteus, both of which are now commercially marketed.

<span class="mw-page-title-main">Clavariaceae</span> Family of fungi

The Clavariaceae are a family of fungi in the order Agaricales. Originally the family contained most of the clavarioid fungi, but in its current sense is more restricted, albeit with a greater diversity of basidiocarp forms. Basidiocarps are variously clavarioid or agaricoid (mushroom-shaped), less commonly corticioid or hydnoid.

<span class="mw-page-title-main">Clavulinaceae</span> Family of fungi

The Clavulinaceae are a family of fungi in the order Cantharellales. The family is not well defined, but currently comprises species of clavarioid fungi as well as some corticioid fungi. These species are nutritionally diverse, some being ectomycorrhizal, others wood-rotting saprotrophs, others lichenized, and yet others lichenicolous.

Cantharellopsis is a tan- to whitish-colored bryophilous monotypic genus in the Hymenochaetales. The fruit bodies of the single species Cantharellopsis prescotii has a form intermediate between an Omphalina and a chanterelle (Cantharellus) because of its forked, fold-like gills. It inhabits moss on calcareous soils in temperate regions of Europe. Phylogenetically related agarics are in the genera Contumyces, Gyroflexus, Loreleia, Rickenella and Blasiphalia, as well as the stipitate-stereoid genera Muscinupta and Cotylidia and the clavarioid genus, Alloclavaria.

<i>Alloclavaria</i> Genus of fungi

Alloclavaria is a clavarioid genus in the Hymenochaetales recently segregated from Clavaria by molecular analysis. Phylogenetically related fungi are in the agaricoid genera Rickenella, Contumyces, Gyroflexus, Loreleia, Cantharellopsis and Blasiphalia, as well as the stipitate stereoid genera Cotylidia and Muscinupta. The only species as yet placed in Alloclavaria is the type, formerly known as Clavaria purpurea under which name it is often cited or illustrated.. It is suspected, via circumstantial evidence, i.e. habitat, but not proven, that Alloclavaria is mycorrhizal.

<i>Ramaria</i> Genus of fungi

The genus Ramaria comprises approximately 200 species of coral fungi. Several, such as Ramaria flava, are edible and picked in Europe, though they are easily confused with several mildly poisonous species capable of causing nausea, vomiting and diarrhea; these include R. formosa and R. pallida. Three Ramaria species have been demonstrated to contain a very unusual organoarsenic compound homoarsenocholine.

<i>Alloclavaria purpurea</i> Species of fungus

Alloclavaria purpurea is a coral fungus commonly known as the purple coral, or the purple fairy club. Formerly known as Clavaria purpurea, it has been moved to its own genus as a result of phylogenetic analysis.

<span class="mw-page-title-main">Hydnaceae</span> Family of fungi

The Hydnaceae are a family of fungi in the order Cantharellales. Originally the family encompassed all species of fungi that produced basidiocarps having a hymenium consisting of slender, downward-hanging tapering extensions referred to as "spines" or "teeth", whether they were related or not. This artificial but often useful grouping is now more generally called the hydnoid or tooth fungi. In the strict, modern sense, the Hydnaceae are limited to the genus Hydnum and related genera, with basidiocarps having a toothed or poroid hymenium. Species in the family are ectomycorrhizal, forming a mutually beneficial relationship with the roots of trees and other plants. Hydnum repandum is an edible species, commercially collected in some countries and often marketed under the French name pied de mouton.

<span class="mw-page-title-main">Physalacriaceae</span> Family of fungi

The Physalacriaceae are a family of fungi in the order Agaricales. Species in the family have a widespread distribution, ranging from the Arctic, (Rhizomarasmius), to the tropics, e.g. Gloiocephala, and from marine sites (Mycaureola) and fresh waters (Gloiocephala) to semiarid forests (Xerula).

<i>Clavulina</i> Genus of fungi

Clavulina is a genus of fungus in the family Clavulinaceae, in the Cantharelloid clade. Species are characterized by having extensively branched fruit bodies, white spore prints, and bisterigmate basidia. Branches are cylindrical or flattened, blunt, and pointed or crested at the apex, hyphae with or without clamps, basidia cylindrical to narrowly clavate, mostly with two sterigmata which are large and strongly incurved and spores subspherical or broadly ellipsoid, smooth, and thin-walled, each with one large oil drop or guttule. The genus contains approximately forty-five species with a worldwide distribution, primarily in tropical regions. Species of Clavulina are mostly ectomycorrhizal. A recent study has identified Clavulina to the genera level as present on Nothofagus menziesii adventitious roots

<i>Ramariopsis</i> Genus of fungi

Ramariopsis is a genus of coral fungi in the family Clavariaceae. The genus has a collectively widespread distribution and contains about 40 species. The name means 'having the appearance of Ramaria'.

<i>Ramariopsis kunzei</i> Species of fungus

Ramariopsis kunzei is an edible species of coral fungi in the family Clavariaceae, and the type species of the genus Ramariopsis. It is commonly known as white coral because of the branched structure of the fruit bodies that resemble marine coral. The fruit bodies are up to 5 cm (2.0 in) tall by 4 cm (1.6 in) wide, with numerous branches originating from a short rudimentary stem. The branches are one to two millimeters thick, smooth, and white, sometimes with yellowish tips in age. Ramariopsis kunzei has a widespread distribution, and is found in North America, Europe, Asia, and Australia.

<i>Ramaria botrytis</i> Species of coral fungus in the family Gomphaceae

Ramaria botrytis, commonly known as the clustered coral, the pink-tipped coral mushroom, or the cauliflower coral, is an edible species of coral fungus in the family Gomphaceae. Its robust fruit body can grow up to 15 cm (6 in) in diameter and 20 cm (8 in) tall, and resembles some marine coral. Its dense branches, which originate from a stout, massive base, are swollen at the tips and divided into several small branchlets. The branches are initially whitish but age to buff or tan, with tips that are pink to reddish. The flesh is thick and white. The spores, yellowish in deposit, are ellipsoid, feature longitudinal striations, and measure about 13.8 by 4.7 micrometers.

<i>Clavaria</i> Genus of fungi

Clavaria is a genus of fungi in the family Clavariaceae. Species of Clavaria produce basidiocarps that are either cylindrical to club-shaped or branched and coral-like. They are often grouped with similar-looking species from other genera, when they are collectively known as the clavarioid fungi. All Clavaria species are terrestrial and most are believed to be saprotrophic. In Europe, they are typical of old, mossy, unimproved grassland. In North America and elsewhere, they are more commonly found in woodlands.

<i>Clavaria fragilis</i> Species of fungus

Clavaria fragilis, commonly known as fairy fingers, white worm coral, or white spindles, is a species of fungus in the family Clavariaceae. It is synonymous with Clavaria vermicularis. The fungus is the type species of the genus Clavaria and is a typical member of the clavarioid or club fungi. It produces tubular, unbranched, white basidiocarps that typically grow in clusters. The fruit bodies can reach dimensions of 15 cm (5.9 in) tall by 0.5 cm (0.2 in) thick. Clavaria fragilis is a saprobic species, growing in woodland litter or in old, unimproved grassland. It is widespread throughout temperate regions in the Northern Hemisphere, but has also been reported from Australia and South Africa. The fungus is edible, but insubstantial and flavorless. There are several other small white coral-like fungi with which C. fragilis may be confused.

<i>Clavaria zollingeri</i> Species of fungus

Clavaria zollingeri, commonly known as the violet coral or the magenta coral, is a widely distributed species of fungus. It produces striking tubular, purple to pinkish-violet fruit bodies that grow up to 10 cm (3.9 in) tall and 7 cm (2.8 in) wide. The extreme tips of the fragile, slender branches are usually rounded and brownish. A typical member of the clavarioid or club fungi, Clavaria zollingeri is saprobic, and so derives nutrients by breaking down organic matter. The fruit bodies are typically found growing on the ground in woodland litter, or in grasslands. Variations in branching and color can often be used to distinguish C. zollingeri from similarly colored coral fungi such as Alloclavaria purpurea and Clavulina amethystina, although microscopy is required to reliably identify the latter species.

<i>Multiclavula</i> Genus of fungi

Multiclavula is a genus of basidiolichens in the family Hydnaceae. The widespread genus contains 14 species.

<i>Phaeoclavulina abietina</i> Species of fungus

Phaeoclavulina abietina, commonly known as the green-staining coral, is a coral mushroom in the family Gomphaceae. It is characterized by the green staining reaction it develops in response to bruising or injury.

<i>Clavulinopsis umbrinella</i> Species of fungus

Clavulinopsis umbrinella, commonly known as the beige coral, is a coral mushroom in the family Clavariaceae. Fruit bodies are initially white before turning pale brown with darker brown tips. Originally described in 1860, it is known to occur in Europe and North America where it grows in grass. It is not a common species.

References

  1. "Index Fungorum - Search Page".
  2. Donk MA. (1933). Revision der Niederländischen Homobasidiomycetae-Aphyllophoraceae. Amsterdam: Rijks Universiteit te Utrecht.
  3. Corner EJH. (1950). A monograph of Clavaria and allied genera. Cambridge: University Press.
  4. 1 2 Dentinger, B. T. M.; McLaughlin, D. J. (2006). "Reconstructing the Clavariaceae using nuclear large subunit rDNA sequences and a new genus segregated from Clavaria". Mycologia. 98 (5): 746–762. doi:10.3852/mycologia.98.5.746. PMID   17256578.
  5. 1 2 Humpert AJ. et al. (2001). Molecular phylogenetics of Ramaria and related genera: evidence from nuclear large subunit and mitochondrial small subunit rDNA sequences. Mycologia93: 465-477.