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

Buchwaldoboletus lignicola (Kallenb.) Pilát

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Scientific name
Buchwaldoboletus lignicola
Author
(Kallenb.) Pilát
Common names
Wood Bolete
Houtboleet
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Boletales
Family
Boletaceae
Assessment status
Under Assessment
Proposed by
Tatyana Svetasheva
Assessors
Tatyana Svetasheva
Comments etc.
Anders Dahlberg, Armin Mešić, Christian Schwarz, Else Vellinga

Assessment Status Notes

Justification

Buchwaldoboletus lignicola is a rare bolete with specific characters: growth on the wood of Pinaceae previously colonized by another rare fungus Phaeolus schweinitzii. It is associated with P. schweinitzii as a mycoparasite or a saprotroph at the same substrate. It’s is reported from in 16 countries of Europe, Russia, Turkey, China and eastern North America. In most countries it’s considered as a rare or very rare species, in 7 countries (Bulgaria, Denmark, Germany, Netherlands, Norway, Czech, Turkey it was estimated as a threatened species (Vu-En). Rather strict range of ecological requirements of this species makes it necessary to provide its special protection at the global level.


Taxonomic notes

Synonymy:
Boletus lignicola Kallenb.
Gyrodon lignicola (Kallenb.) Heinem.
Phlebopus lignicola (Kallenb.) M.M. Moser
Pulveroboletus lignicola (Kallenb.) E.A. Dick & Snell
Xerocomus lignicola (Kallenb.) Singer


Why suggested for a Global Red List Assessment?


Geographic range

Buchwaldoboletus lignicola is a widespread species known in Eurasia and North America. At the moment it’s found in many countries, but almost overall it’s considered as a rare of very rare species.


Population and Trends

In spite of wide distribution of this species in the world,  it is considered as a rare or a very rare species in most countries. Usually single or a few findings per country are registered in their databases. General trends of existence are not entirely clear, however the specific requirements of this species to the hosts make it vulnerable to successful surviving.

Population Trend: Uncertain


Habitat and Ecology

This is xylotrophic fungus with a complicative life strategy.  Usually it grows on the rotten wood of Pinacea trees (Pinus sylvestris, P. pinaster, P.strobus , P. nigra, Larix decidua, Pseduotsuga menziesii, Picea abies) previously colonized by another rare fungus, Phaeolus
schweinitzii (Fr.) Pat., a brown-rot fungus, which leads to the death of the host plant and then continuing to grow on the stump as saprotroph (Kuthan & Sedivy 1971). Sometimes it was also found just to be saprotrophic whithout any neghbourhood of other fungi. The species is known mostly from warm southern or temperate regions, but also a few records are from the northern regions with a mild oceanic climate (Funga Nordica, 2012).

Boreal ForestTemperate ForestSubtropical/Tropical Dry Forest

Threats

The main threat is deforestation of coniferous forests including cleaning from the old stumps. Also grassroot fires can lead to destroying of habitat and destruction of hosts.

Logging & wood harvesting

Conservation Actions

Since it’s globally widespread species and in some countries (i.e. USA) is not so rare, at the moment it doesn’t need special global protection. But in most European countries as well as in Russia it is a really rare species which existence is depending from the other rare fungus Phaeolus schweinitzii, therefore it can be assessed as threatened on the European or national levels.

Site/area protectionSite/area managementCaptive breeding/artificial propagation

Research needed

Population size, distribution & trendsPopulation trends

Use and Trade

Its edibility is unknown.


Bibliography

Ortiz-Santana B. A PRELIMINARY SURVEY OF THE GENUS BUCHWALDOBOLETUS /Bulletin of the Buffalo Society of Natural Sciences, Volume 40, 2011
Venturella G. Buchwaldoboletus lignicola (Boletaceae), a rare basidiomycete from Europe /Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology, DOI: 10.1080/11263504.2017.1313791
Aryal HP, Budathoki U. 2013. Buchwaldoboletus Lignicola (Basidiomycetes), an inedible wild mushroom new to Nepal. Our Nature 11(1): 31–35.
doi:10.3126/on.v11i1.8241.
Biketova AY, Kosakyan A, Wasser SP, Nevo E. 2016. New,noteworthy, and rare species of the genus Boletus in Israel.Plant Biosyst 150(5): 876–886. doi:10.1080/11263504.2014.990537.
Mikšik M. Rare and protected species of boletes of the Czech Republic. Field Mycology. 2012;13:8–16. http://dx.doi.org/10.1016/j.fldmyc.2011.12.003


Known distribution - countries

Regional Population and Trends

Country Trend Redlisted