Ecology

Associations

Fungus / associate
larva of Mydaea humeralis is associated with Amanita

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
                                        
Specimen Records:695Public Records:554
Specimens with Sequences:638Public Species:193
Specimens with Barcodes:565Public BINs:0
Species:221         
Species With Barcodes:181         
          
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Statistics of barcoding coverage: Amanita cf. ravenelli

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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Barcode data

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Locations of barcode samples

Collection Sites: world map showing specimen collection locations for Amanita

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Wikipedia

Amanita

The genus Amanita contains about 600 species of agarics including some of the most toxic known mushrooms found worldwide, as well as some well-regarded edible species. This genus is responsible for approximately 95% of the fatalities resulting from mushroom poisoning, with the death cap accounting for about 50% on its own. The most potent toxin present in these mushrooms is α-amanitin.

The genus also contains many edible mushrooms, but mycologists discourage mushroom hunters, other than knowledgeable experts, from selecting any of these for human consumption. Nonetheless, in some cultures, the larger local edible species of Amanita are mainstays of the markets in the local growing season. Samples of this are Amanita zambiana and other fleshy species in central Africa, A. basii and similar species in Mexico, A. caesarea in Europe, and A. chepangiana in South-East Asia. Other species are used for colouring sauces, such as the red A. jacksonii with a range from eastern Canada to eastern Mexico.

Many species are of unknown edibility, especially in countries such as Australia, where many fungi are little-known. Understandably, this is not a genus that lends itself to safe experimentation.

Taxonomy[edit]

The name is possibly derived from Amanon, a mountain in Cilicia.

The genus Amanita was first published with its current meaning by Christian Hendrik Persoon in 1797.[1] Under the International Code of Botanical Nomenclature, Persoon's concept of Amanita, with Amanita muscaria (L.) Pers. as the type species, has been officially conserved against the older Amanita Boehm (1760), which is considered a synonym of Agaricus L.[2]

Toxicity[edit]

A. phalloides (deadly)

Several members of the section Phalloidieae are notable for their toxicity, containing toxins known as amatoxins, which can cause liver failure and death. These include the death cap A. phalloides, species known as destroying angels including A. virosa, A. bisporigera and A. ocreata, and the fool's mushroom A. verna.

More recently, a series in the subgenus Lepidella has been found to cause acute renal failure, including A. smithiana of northwestern North America, A. pseudoporphyria of Japan, and A. proxima of southern Europe.[3]

Edibility[edit]

A. caesarea (edible)

Although a few species of Amanita are edible, many fungi experts advise against eating a member of Amanita unless the species is known with absolute certainty.[4] Because so many species within this genus are so deadly toxic, if a specimen is identified incorrectly, consumption may cause extreme sickness and possibly death.

Edible species of Amanita include Amanita fulva (grisette), Amanita vaginata, Amanita calyptrata (coccoli), Amanita crocea, and Amanita rubescens (blusher), Amanita jacksonii (American Caesar's mushroom). [5]

Inedible species of Amanita include Amanita albocreata (ringless panther), Amanita atkinsoniana, Amanita citrina, Amanita daucipes, Amanita excelsa, Amanita flavoconia, Amanita franchetii, Amanita longipes, Amanita magniverrucata, Amanita onusta, Amanita rhopalopus, Amanita silvicola, Amanita sinicoflava, Amanita spreta, and Amanita volvata.

Poisonous species include Amanita brunnescens, Amanita cecilae, Amanita cokeri (Coker's amanita), Amanita crenulata, Amanita farinosa (eastern American floury amanita), Amanita flavorubescens, Amanita frostiana, Amanita muscaria (fly agaric), Amanita pantherina (panther cap), and Amanita porphyria.

Deadly poisonous species include Amanita abrupta, Amanita arocheae, Amanita bisporigera (eastern NA destroying angel), Amanita exitialis (Guangzhou destroying angel), Amanita magnivelaris, Amanita ocreata (western NA destroying angel), Amanita phalloides (death cap), Amanita smithiana, Amanita subjunquillea (East Asian death cap), Amanita verna (fool's mushroom), and Amanita virosa (European destroying angel).[5][6]

See also[edit]

References[edit]

  1. ^ Persoon, C.H. (1797) Tent. disp. meth. fung.: 65
  2. ^ J. McNeill et al. (eds)(2006) International Code of Botanical Nomenclature (Vienna, 2005), Appendix IIIA Nomina generica conservanda et rejicienda, B. Fungi http://ibot.sav.sk/icbn/main.htm
  3. ^ Saviuc, P.; Danel, V. (2006). "New Syndromes in Mushroom Poisoning". Toxicological Reviews 25 (3): 199–209. doi:10.2165/00139709-200625030-00004. PMID 17192123.  edit
  4. ^ Lincoff, Gary (1981). National Audubon Society Field Guide to Muschrooms. Knopf; A Chanticleer Press ed edition. p. 25. ISBN 0-394-51992-2. 
  5. ^ a b Phillips, Roger (2010). Mushrooms and Other Fungi of North America. New York: Firefly Books. ISBN 978-1-55407-651-2. 
  6. ^ Zeitlmayr, L. (1976). Wild Mushrooms: An Illustrated Handbook. Hertfordshire: Garden City Press. p. 77. ISBN 0-584-10324-7. 
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