Russula albonigra | |
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Scientific classification | |
Kingdom: | |
Division: | |
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Genus: | |
Species: | R. albonigra |
Binomial name | |
Russula albonigra | |
Russula albonigra | |
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Mycological characteristics | |
gills on hymenium | |
cap is convex or infundibuliform | |
hymenium is decurrent | |
stipe is bare | |
spore print is white | |
ecology is mycorrhizal | |
edibility: unknown |
Russula albonigra is a member of the genus Russula , all of which are collectively known as brittlegills.
Around 750 worldwide species of ectomycorrhizal mushrooms compose the genus Russula. They are typically common, fairly large, and brightly colored – making them one of the most recognizable genera among mycologists and mushroom collectors. Their distinguishing characteristics include usually brightly coloured caps, a white to dark yellow spore print, brittle, attached gills, an absence of latex, and absence of partial veil or volva tissue on the stem. Microscopically, the genus is characterised by the amyloid ornamented spores and flesh (trama) composed of spherocysts. Members of the related genus Lactarius have similar characteristics but emit a milky latex when their gills are broken. The genus was described by Christian Hendrik Persoon in 1796.
First described by the mycologist Julius Vincenz von Krombholz in 1838, its specific epithet comes from Latin albus and niger, which mean white and black.
Julius Vincenz von Krombholz was a physician and mycologist born in Oberpolitz, northern Bohemia.
Latin is a classical language belonging to the Italic branch of the Indo-European languages. The Latin alphabet is derived from the Etruscan and Greek alphabets and ultimately from the Phoenician alphabet.
The cap is convex to infundibuliform, whitish, sticky. The stipe is dusky, or white above, pale grey-ochreous towards the base. The gills are decurrent, crowded, thick, unequal, connected by veins, dusky whitish or yellowish. The flesh is white, turns black or sooty. The taste is somewhat bitter and unpleasant to mild. [1]
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp that supports a spore-bearing surface, the hymenium. The hymenium (hymenophore) may consist of lamellae, tubes, or teeth, on the underside of the pileus. A pileus is characteristic of agarics, boletes, some polypores, tooth fungi, and some ascomycetes.
In mycology, a stipe is the stem or stalk-like feature supporting the cap of a mushroom. Like all tissues of the mushroom other than the hymenium, the stipe is composed of sterile hyphal tissue. In many instances, however, the fertile hymenium extends down the stipe some distance. Fungi that have stipes are said to be stipitate.
A lamella, or gill, is a papery hymenophore rib under the cap of some mushroom species, most often but not always agarics. The gills are used by the mushrooms as a means of spore dispersal, and are important for species identification. The attachment of the gills to the stem is classified based on the shape of the gills when viewed from the side, while color, crowding and the shape of individual gills can also be important features. Additionally, gills can have distinctive microscopic or macroscopic features. For instance, Lactarius species typically seep latex from their gills.
The dusky moorhen is a bird species in the rail family and is one of the eight extant species in the moorhen genus. It occurs in India, Australia, New Guinea, Borneo and Indonesia. It is often confused with the purple swamphen and the Eurasian coot due to similar appearance and overlapping distributions. They often live alongside birds in the same genus, such as the Tasmanian nativehen and the common moorhen.
The piratic flycatcher is a passerine bird, the only member of the genus Legatus. It is a resident breeder from southern Mexico and Trinidad south to Bolivia and Argentina. At least some birds from Central America and Trinidad are migratory, and this species also visits Tobago.
The greater white-toothed shrew is a small insectivorous mammal found in Europe and North Africa. It is the most common of the white-toothed shrews. This species is found along the Mediterranean, Netherlands, Belgium, Germany and Portugal; in addition, the Osorio shrew of the Canary island of Gran Canaria, originally described as a separate species, was later discovered to be a population of introduced greater white-toothed shrew. In April 2008, the greater white-toothed shrew was discovered in Ireland. Its preferred habitats are grassland and woodland. It is slightly larger than the lesser white-toothed shrew but otherwise very similar, and can often be distinguished only by close inspection of its teeth which are unpigmented.
Graphium mandarinus, the spectacle swordtail, which is native to India, is a butterfly of the swallowtail family (Papilionidae). It belongs to subgenus Pazala of the swordtails, that is, genus Graphium.
Delias belladonna, the hill Jezebel, is a medium-sized mountain butterfly of India and adjacent countries. It belongs to the family Pieridae, that is, the yellows and whites.
The spider genus Cabello consists of only one species, Cabello eugeni, found in Venezuela. It is a small yellow-white spider, with females 2 mm long, and males 1.6 mm. The eye region is reddish with a dusky median longitudinal band, the sternum whitish, with grey sides. The yellow-white legs have scattered black spots on the anterior face. On the abdomen there are scattered white spots.
Junonia almana, the peacock pansy, is a species of nymphalid butterfly found in South Asia. It exists in two distinct adult forms, which differ chiefly in the patterns on the underside of the wings; the dry-season form has few markings, while the wet-season form has additional eyespots and lines.It is listed as Least Concern in the IUCN Red List.
The African dusky flycatcher, dusky-brown flycatcher or dusky alseonax, Muscicapa adusta, is a small passerine bird of the Old World flycatcher family, Muscicapidae. It is a resident breeder in Africa from Nigeria, the Central African Republic, South Sudan and Ethiopia south to South Africa. It is very common in its woodland habitat, which includes riverine forests, evergreen forest edges and clearings, especially near water bodies such as lakes, dams and streams, and well-wooded suburban gardens.
The dusky lory is a species of parrot in the family Psittaculidae. Alternative common names are the white-rumped lory or the dusky-orange lory. It is found in New Guinea and the offshore islands of Batanta, Salawati and Yapen. Also, they can be known as "banded Lories" or "duskies".
The Whitaker's shrew is a species of mammal in the family Soricidae. It is found in Western Sahara, Algeria, Morocco, Tunisia. Its natural habitats are subtropical or tropical dry shrubland, rocky and sandy coasts. It is a fairly common species and the International Union for Conservation of Nature has rated its conservation status as being of "least concern".
Russula nigricans, commonly known as the blackening brittlegill or blackening russula, is a gilled mushroom found in woodland in Europe. It gains both its common and scientific name from its propensity to turn black from cutting or bruising. It is edible but of indifferent quality.
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.
Russula atropurpurea is an edible member of the genus Russula that has the common name brittlegill. It is dark vinaceous or purple, and grows with deciduous, or occasionally coniferous trees. It is commonly called the blackish purple Russula, or the purple brittlegill.
Russula delica is a mushroom that goes by the common name of milk-white brittlegill, and is a member of the genus Russula, all of which are collectively known as brittlegills. It is mostly white, with ochraceous or brownish cap markings, and a short robust stem. It is edible, but poor in taste, and grows in coniferous, broadleaved, or mixed woods. It can be confused with other white Russula species and certain white Lactarius species.
The inedible wild mushroom Russula fragilis, which goes by the common name of the fragile brittlegill, is a member of the genus Russula, whose members are commonly known as brittlegills. It is a small, fragile, long stemmed, and variably coloured brittlegill, found in mixed forests, and woods in Europe, Asia, and North America.
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.
Asterophora parasitica, commonly known as the parasitic Asterophora or the Russula parasite, is a species of fungus that grows as a parasite on other mushrooms. The fruit bodies are small, with silky fibers on the surface of grayish caps and thick, widely spaced gills. Mushrooms fruit in clusters on the decaying remains of Lactarius and Russula species, particularly those in the Russula nigricans group. Found primarily in temperate zones of Europe and North America, the fungus is widespread but not common.
Adaina perplexus is a moth of the family Pterophoridae. It is found in the United States, including the Florida Everglades. It has also been recorded from Cuba and Trinidad.
Monodontides musina, the Swinhoe's hedge blue, is a butterfly of the family Lycaenidae. It is found in South-East Asia, including India.
Mimudea punctiferalis is a moth in the family Crambidae. It was described by South in 1901. It is found in China.
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