• Proposed
  • 2Under Assessment
  • 3Preliminary Assessed
  • 4Assessed
  • 5Published

Amanita macrocarpa W.Q. Deng, T.H. Li & Zhu L. Yang

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Scientific name
Amanita macrocarpa
Author
W.Q. Deng, T.H. Li & Zhu L. Yang
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Agaricales
Family
Amanitaceae
Assessment status
Proposed
Proposed by
Olivier Raspé
Comments etc.
Olivier Raspé

Assessment Notes

Taxonomic notes


Why suggested for a Global Red List Assessment?

This is a very large, easily identified Amanita species so far known from only two locations in Guangdong Province, China, and one location in Chiang Mai Province, Thailand. Forested areas are under strong human pressure in Guangdong Province, China, with about 90% woodland area loss and 40% forest area loss between 2000 and 2010 (Ren et al. 2015). In Northern Thailand, forests cover was reduced by more than 75 % between 1915 and 1995, mostly because of conversion to cropland (Delang, 2002). Despite protection measures and reforestation, Thailand lost 7.8 % of Intact Forest Landscapes between 2000 and 2013 (Potapov et al 2017). In the area where Amanita macrocarpa is known to occur in Thailand, forests continue to be degraded by human activities (e.g., tea or coffee plantation, recurrent burning).


Geographic range

Recently described, albeit conspicuous species known from Guangdong Province, China, and Northern Thailand


Population and Trends

Known from only a few locations, two in Guangdong Province, China (Deng et al. 2014) and one in Chiang Mai Province, Thailand (Thongbai et al. 2016; O. Raspé, pers. obs.).

Population Trend: Uncertain


Habitat and Ecology

In Guangdong Province, China, the species was found in subtropical broad-leaved forests dominated by Castanopsis fissa, at an altitude of
200–300 m (Deng et al. 2013). In Chiang Mai Province, Thailand, the species was found in an evergreen forest dominated by Fagaceae, at an elevation of 1410 m.


Threats

Forested areas are under strong human pressure in Guangdong Province, China, with about 90% woodland area loss and 40% forest area loss between 2000 and 2010 (Ren et al. 2015). In Northern Thailand, forests cover was reduced by more than 75 % between 1915 and 1995, mostly because of conversion to cropland (Delang, 2002). Despite protection measures and reforestation, Thailand lost 7.8 % of Intact Forest Landscapes between 2000 and 2013 (Potapov et al 2017). In the area where Amanita macrocarpa is known to occur in Thailand, forests continue to be degraded by human activities (e.g., tea or coffee plantation, recurrent burning).


Conservation Actions


Research needed

The distribution needs to be better known. The ectomycorrhizal symbiotic partners should be identified.


Use and Trade

No use known.


Bibliography

Deng WQ, Li TH, Li P & Yang ZL (2014) A new species of Amanita section Lepidella from South China. Mycological Progress 13:211–217. DOI 10.1007/s11557-013-0906-6

Potapov P, Hansen MC, Laestadius L, et al. (2017) The last frontiers of wilderness: Tracking loss of intact forest landscapes from 2000 to 2013. Science Advances 3: e1600821. https://doi.org/10.1126/sciadv.1600821

Ren G, Young SS, Wang L, Wang W, Long Y, Wu R, Li J, Zhu J and Yu DW (2015) Effectiveness of China’s National Forest Protection Program and nature reserves. Conservation Biology 29: 1368-1377. doi:10.1111/cobi.12561

Thongbai B, Miller SL, Stadler M, Wittstein K, Hyde KD, Lumyong S, et al. (2017) Study of three interesting Amanita species from Thailand: Morphology, multiple-gene phylogeny and toxin analysis. PLoS ONE 12(8): e0182131. https://doi.org/10.1371/journal.pone.0182131


Known distribution - countries

Regional Population and Trends

Country Trend Redlisted