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Boletus edulis

美味牛肝菌

Source:IUCN

Taxonomy



 

Taxonomy in detail

Scientific name


 
Authority


 
Synonyms


 
Common names


 
Taxonomic sources
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Identification Information
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Taxonomic notes


 

Assessment Information

IUCN Red List Category and Criteria
Least Concern ver 3.1
Assessment language
English
Year published
2019
Date assessed
2019-01-11 00:00:00 UTC

Assessment Information in detail

Previously published Red List assessments


 
Regional assessments
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Assessor(s)


 
Reviewer(s)


 
Contributor(s)
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Facilitator(s) / Compiler(s)
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Partner(s) / Institution(s)
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Authority / Authorities
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Justification
Boletus edulis is an edible ectomycorrhizal bolete, forming mycorrhiza with deciduous and coniferous trees. It is common and widely distributed in the temperate and boreal zone Europe and in Asia. It is a subject for research whether the American B. edulis is the same species as in Europe. Boletus edulis is considered to be among the best edible fungi in the world and is collected in large scale for the market. There is no evidence of decline. It can be locally very abundant where suitable habitat exists. Therefore, it is assessed as Least Concern (LC).

Geographic Range

Native
Extant (resident)
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Extant
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Number of locations
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Geographic Range in detail

FAO Fishing Areas
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Estimated area of occupancy (AOO) (km²)
Continuing decline in area of occupancy (AOO)
Extreme fluctuations in area of occupancy (AOO)
Estimated extent of occurrence (EOO) (km2)
Continuing decline in extent of occurrence (EOO)
Extreme fluctuations in extent of occurrence (EOO)
Continuing decline in number of locations
Extreme fluctuations in the number of locationsN
RANGE DESCRIPTION
Boletus edulis has a cosmopolitan distribution. It is common and widely distributed in the temperate and boreal zone of Europe and Asia. It occurs widely in North America and in Mexico, although it is an ongoing subject for debate and research whether the American B. edulis is the same species as in Europe. It does not occur naturally in the Southern Hemisphere, although it has been introduced with the establishment of tree plantations to southern Africa, Australia, and New Zealand. The area of occupancy (AOO) of this species is much larger than 2,000 km², and its extent of occurrence (EOO) is much larger than 20,000 km².

Population

Current population trend
Stable
Number of mature individuals
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Population severely fragmented
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Continuing decline of mature individuals
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Population in detail

Extreme fluctuations
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No. of subpopulations
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Continuing decline in subpopulations
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Extreme fluctuations in subpopulations
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All individuals in one subpopulation
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No. of individuals in largest subpopulation
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Description
The population size is likely to be very large since this is such a widespread species, and more or less stable as there is no indication of any decline.

Habitat and Ecology

System
Terrestrial
Number of mature individuals
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Continuing decline in area, extent and/or quality of habitat
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Generation length (years)
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Congregatory
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Movement patterns
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Habitat and Ecology in detail

Habitat and Ecology
Boletus edulis is a terrestrial ectomycorrhizal fungus found in deciduous and coniferous forests and in open areas with trees, forming ectomycorrhizal associations with more than 30 species and 15 genera of broadleaved and conifer trees, e.g. Fagus, Quercus, Betula, Tsuga, Abies and Picea, rarely with Pinus (e.g. Wikipedia 2018).
Classification scheme
Habitats Suitability Major importance

Threats

Use trade
Boletus edulis is a very popular, delicious, meaty mushroom considered to be among the best edible fungi in the world. It is collected in large scale for the market from outside and within Europe (Boa 2004). A 1998 estimate suggests the total annual worldwide consumption of B. edulis and closely related species (B. aereus, B. pinophilus, and B. reticulatus) to be between 20,000 and 100,000 tons (Hall et al. 1998). It is only harvested in the wild, as ectomycorrhizal fungi, with few exceptions, cannot be cultivated. Years with above average rainfall may result in the rapid appearance of large numbers of boletes, in what is known as a “bolete year”.
Residential & commercial development
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Agriculture & aquaculture
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Energy production & mining
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Transportation & service corridors
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Biological resource use
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Human intrusions & disturbance
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Natural system modifications
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Pollution
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Geological events
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Climate change & severe weather
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Threats in detail

Threats
There are no major threats to this species. It is commonly found in forests and plantations of all ages and also occurs in parks and other open areas with their host trees.
Classification scheme Threats
title scope timing score severity

Use trade

Use trade
Boletus edulis is a very popular, delicious, meaty mushroom considered to be among the best edible fungi in the world. It is collected in large scale for the market from outside and within Europe (Boa 2004). A 1998 estimate suggests the total annual worldwide consumption of B. edulis and closely related species (B. aereus, B. pinophilus, and B. reticulatus) to be between 20,000 and 100,000 tons (Hall et al. 1998). It is only harvested in the wild, as ectomycorrhizal fungi, with few exceptions, cannot be cultivated. Years with above average rainfall may result in the rapid appearance of large numbers of boletes, in what is known as a “bolete year”.

Text summary


Text summary in detail

Conservation Actions Information
No conservation measures are needed for this species since it is widespread and there are no major threats to it.
About us
本项目由中国科学院A类战略先导专项“地球大数据科学工程”及中国科学院十三五信息化建设专项“科学大数据工程”提供支持,旨在整合物种的评估与保护信息,为生物多样性保护提供数据支持。
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