Paxillus involutus (Batsch) Fr.
(Brown Rollrim, Poison Pax, "The Silent Killer")

Interactions where Paxillus involutus is the dominant partner and gains from the process

The following relationships have been collated from the published literature (see 'Interaction References').

Stage Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season
fruitbody fruitbody is ectomycorrhizal with live root Major Betula birches Fagales: Betulaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
Boletes and their allies, Watling, R., Hills, A.E, & Turnbull, E., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhiza /Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula/BetulabirchesliverootMajor
fruitbody fruitbody is ectomycorrhizal with live root Questionable Castanea sativa Sweet Chestnut Fagales: Fagaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertain /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Castanea sativa/Castanea sativasweet chestnutliveroot
fruitbody fruitbody is ectomycorrhizal with live root Questionable Fagus beeches Fagales: Fagaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertain /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus/Fagusbeechesliveroot
fruitbody fruitbody is ectomycorrhizal with live root Quercus oaks Fagales: Fagaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
Boletes and their allies, Watling, R., Hills, A.E, & Turnbull, E., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhiza /Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/Quercusoaksliveroot
fruitbody fruitbody is ectomycorrhizal with live root Populus tremula Aspen Malpighiales: Salicaceae Boletes and their allies, Watling, R., Hills, A.E, & Turnbull, E., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhiza /Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Populus tremula/Populus tremulaaspenliveroot
fruitbody fruitbody is ectomycorrhizal with live root UK/IrelandQuestionable Helianthemum nummularium Common Rockrose Malvales: Cistaceae Notes and Records (Nov 2010), Henrici, A., 2010
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertainUK and/or Eire /Plantae/Tracheophyta/Magnoliopsida/Malvales/Cistaceae/Helianthemum nummularium/Helianthemum nummulariumcommon rockroseliveroot
fruitbody fruitbody is ectomycorrhizal with live root Questionable Helianthemum nummularium ssp nummularium Common Rock-rose Malvales: Cistaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertain /Plantae/Tracheophyta/Magnoliopsida/Malvales/Cistaceae/Helianthemum nummularium ssp. nummularium/Helianthemum nummularium ssp. nummulariumcommon rock-roseliveroot
fruitbody fruitbody is ectomycorrhizal with live root Questionable PINOPSIDA conifers Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertain /Plantae/Tracheophyta/Pinopsida/Pinopsidaconifersliveroot
fruitbody fruitbody is ectomycorrhizal with live root Questionable Larix larches Pinales: Pinaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertain /Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Larix/Larixlarchesliveroot
fruitbody fruitbody is ectomycorrhizal with live root Questionable Picea spruces Pinales: Pinaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertain /Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Picea/Piceasprucesliveroot
fruitbody fruitbody is ectomycorrhizal with live root Picea abies Norway Spruce, Christmas Tree Pinales: Pinaceae Identification of ectomycorrhizal fungi by thin layer chromatography, Thoen, D., 1977
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhiza /Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Picea abies/Picea abiesNorway spruce, Christmas treeliveroot
fruitbody fruitbody is ectomycorrhizal with live root Questionable Pinus pines Pinales: Pinaceae Checklist of the British and Irish Basidiomycota, Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaRelationship uncertain /Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Pinus/Pinuspinesliveroot
fruitbody fruitbody is ectomycorrhizal with live root of young tree UK/Ireland Pinus sylvestris Scots Pine Pinales: Pinaceae Studies on the Scots Pine mycorrhizal fruitbody succession, Shaw, P.J.A., & Lankey, K., 1994
Effects of thinning treatment on an ectomycorrhizal succession under Scots pine, Shaw, P.J.A., Kibby, G. & Mayes, J., 2003
 /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody Foodplant / mycorrhiza / ectomycorrhizaUK and/or Eire /Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Pinus sylvestris/Pinus sylvestrisScots pineliverootyoung tree

Interactions where Paxillus involutus is the victim or passive partner (and generally loses out from the process)

The following relationships have been collated from the published literature (see 'Interaction References').

Filters:

Affected Part Summary Taxon Vernacular Classification References Darwin Classification of Active Taxon Active Taxon Active Vernacular Active Taxon Uncertain Active State Active Part Active Stage Relationship Relationship Uncertain Relationship Geography Darwin Classification of Passive Taxon Passive Taxon Passive Vernacular Passive Taxon Uncertain Passive State Passive Part Passive Stage Passive Taxon's significance to Active Taxon Indoors etc Season Summary
fruitbody is food source of larva UK/Ireland Drosophila repleta a fruit fly Diptera: Drosophilidae British Diptera associated with Fungi. 2. Diptera bred from Myxomycetes, Buxton, P.A., 1954
 /Animalia/Arthropoda/Insecta/Diptera/Drosophilidae/Drosophila repleta/Drosophila repletaa fruit flylarva Fungus / feederUK and/or Eire /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody larva feeds on fruitbody
fruitbody fruitbody is parasitised by compact colony of Penicillium anamorph Penicillium brevicompactum Rollrim Mould Eurotiales: Trichocomaceae Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998
 /Fungi/Ascomycota/Eurotiomycetes/Eurotiales/Trichocomaceae/Penicillium brevicompactum/Penicillium brevicompactumrollrim mouldcompactcolonyPenicillium anamorph Fungus / parasite /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbody compact colony of Penicillium anamorph parasitises fruitbody
fruitbody fruitbody is parasitised by chlamydospore of Sepedonium anamorph Major Hypomyces chrysospermus Bolete Mould Hypocreales: Hypocreaceae Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998
 /Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypomyces chrysospermus/Hypomyces chrysospermusbolete mouldchlamydosporeSepedonium anamorph Fungus / parasite /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbodyMajor chlamydospore of Sepedonium anamorph parasitises fruitbody
fruitbody fruitbody is parasitised by perithecium Major Hypomyces chrysospermus Bolete Mould Hypocreales: Hypocreaceae Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998
 /Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypomyces chrysospermus/Hypomyces chrysospermusbolete mouldperithecium Fungus / parasite /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbodyMajor perithecium parasitises fruitbody
fruitbody fruitbody is parasitised by Verticillium anamorph Major Hypomyces chrysospermus Bolete Mould Hypocreales: Hypocreaceae Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998
 /Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypomyces chrysospermus/Hypomyces chrysospermusbolete mouldVerticillium anamorph Fungus / parasite /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"fruitbodyMajor Verticillium anamorph parasitises fruitbody
fruitbody (old) old fruitbody is decayed by effuse colony of Amblyosporium anamorph Amblyosporium spongiosum an anamorphic fungus Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998
 /Fungi/Ascomycota/Amblyosporium spongiosum/Amblyosporium spongiosuman anamorphic funguseffusecolonyAmblyosporium anamorph Fungus / saprobe /Fungi/Basidiomycota/Agaricomycetes/Boletales/Paxillaceae/Paxillus involutus/Paxillus involutusbrown rollrim, poison pax, "the silent killer"oldfruitbody effuse colony of Amblyosporium anamorph is saprobic on old fruitbody

Author & YearTitleSource
Buxton, P.A., 1954British Diptera associated with Fungi. 2. Diptera bred from MyxomycetesProceedings of the Royal Entomological Society of London. Series A, General Entomology Vol. 29 (10-12): 163-171.
Ellis, M.B. & J.P., 1998Microfungi on Miscellaneous Substrates: An Identification Handbook2nd (New Enlarged) edition, 246pp, The Richmond Publishing Co. Ltd
Henrici, A., 2010Notes and Records (Nov 2010)Field Mycology Vol 11 (4): 141-143.
Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005Checklist of the British and Irish Basidiomycota517pp, Royal Botanic Gardens, Kew
Shaw, P.J.A., & Lankey, K., 1994Studies on the Scots Pine mycorrhizal fruitbody successionMycologist Vol 08 (4): 172-174.
Shaw, P.J.A., Kibby, G. & Mayes, J., 2003Effects of thinning treatment on an ectomycorrhizal succession under Scots pineMycol. Res. Vol 107 (3): 317-328.
Thoen, D., 1977Identification of ectomycorrhizal fungi by thin layer chromatographyBull. Br. mycol. Soc. Vol 11 (1): 39-43.
Watling, R., Hills, A.E, & Turnbull, E., 2005Boletes and their alliesBritish Fungus Flora, Vol 1, Revised and enlarged edition edition, 173pp, Royal Botanic Gardens, Edinburgh

Paxillus involutus (Brown Rollrim, Poison Pax, "The Silent Killer") may also be included in 'feeds on' relations listed under the following higher taxa:

Paxillus involutus (Brown Rollrim, Poison Pax, "The Silent Killer") may also be included in 'fed on by' relations listed under the following higher taxa:

Taxonomic hierarchy:
SpeciesPaxillus involutus (Brown Rollrim, Poison Pax, "The Silent Killer")
GenusPaxillus (mycorrhizal rollrims)
FamilyPAXILLACEAE (a family of bolete toadstools)
OrderBOLETALES (spongecap toadstools and their relatives, boletes)
SubclassAGARICOMYCETIDAE (a subclass of basidiomycetes)
ClassAGARICOMYCETES (a class of fungi)
SubphylumAGARICOMYCOTINA (a subphylum of fungi)
PhylumBASIDIOMYCOTA (spore droppers, basidiomycetes)
KingdomFUNGI (true fungi)
DomainEukaryota (eukaryotes)
LifeBIOTA (living things)
NBNNBN (data.nbn.org.uk) has a distribution map for Paxillus involutus (Brown Rollrim, Poison Pax, "The Silent Killer")

Identification Works

Handling & MagnificationAuthorYearTitleSource
Henrici, A. 2005 Notes and Records (Oct 2004) Field Mycology Vol 5 (4): 136-138.

Paxillus involutus (Brown Rollrim, Poison Pax, "The Silent Killer") may also be included in identification literature listed under the following higher taxa:

General Works

AuthorYearTitleSource
Ali, N.A. & Jackson, R.M. 1988 Effects of plant roots and their exudates on germination of spores of Ectomycorrhizal Fungi TBMS Vol 91 (2): 253-260.
Pegler, D.N. & Watling, R. 1982 British Toxic Fungi Bull. Br. mycol. Soc. Vol 16 (1): 66-75.

Phenology

Dickie, I.A., Kalucka,U., Stasinska, M. & Oleksyn, J. 2010 Plant host drives fungal phenology FungEcol Vol 03 (4): 311-315.

Literature listed under the following higher taxa may also be relevant to Paxillus involutus (Brown Rollrim, Poison Pax, "The Silent Killer"):

The Brown Roll-rim is a very common toadstool throughout the British Isles. It is found in mixed and broad-leaved woodland, particularly with Betula and Quercus.

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