Polyporus squamosus (dryad’s saddle)

Interactions where Polyporus squamosus 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 Stage	Relationship	Darwin Classification of Passive Taxon	Passive Taxon	Passive Vernacular	Passive State	Passive Part	Passive Taxon's significance to Active Taxon
fruitbody	fruitbody parasitises wounded trunk	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus/	Fagus	beeches	wounded	trunk	Major
fruitbody	fruitbody is saprobic on dead, decaying wood	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus/	Fagus	beeches	dead, decaying	wood	Major
fruitbody	fruitbody parasitises wounded trunk	Juglans	walnuts	Fagales: Juglandaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Fagales/Juglandaceae/Juglans/	Juglans	walnuts	wounded	trunk
fruitbody	fruitbody parasitises wounded trunk	Fraxinus	ashes	Lamiales: Oleaceae	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Lamiales/Oleaceae/Fraxinus/	Fraxinus	ashes	wounded	trunk	Major
fruitbody	fruitbody is saprobic on dead, decaying wood	Fraxinus	ashes	Lamiales: Oleaceae	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Magnoliopsida/Lamiales/Oleaceae/Fraxinus/	Fraxinus	ashes	dead, decaying	wood	Major
fruitbody	fruitbody parasitises wounded trunk	Pyrus	pears	Rosales: Rosaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Rosaceae/Pyrus/	Pyrus	pears	wounded	trunk
fruitbody	fruitbody parasitises wounded trunk	Ulmus	elms	Rosales: Ulmaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Ulmaceae/Ulmus/	Ulmus	elms	wounded	trunk	Major
fruitbody	fruitbody is saprobic on dead, decaying wood	Ulmus	elms	Rosales: Ulmaceae	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Magnoliopsida/Rosales/Ulmaceae/Ulmus/	Ulmus	elms	dead, decaying	wood	Major
fruitbody	fruitbody parasitises wounded trunk	Acer	maples	Sapindales: Sapindaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Acer/	Acer	maples	wounded	trunk
fruitbody	fruitbody parasitises wounded trunk	Acer pseudoplatanus	Sycamore, Great Maple	Sapindales: Sapindaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Acer pseudoplatanus/	Acer pseudoplatanus	sycamore, great maple	wounded	trunk	Major
fruitbody	fruitbody is saprobic on dead, decaying wood	Acer pseudoplatanus	Sycamore, Great Maple	Sapindales: Sapindaceae	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Magnoliopsida/Sapindales/Sapindaceae/Acer pseudoplatanus/	Acer pseudoplatanus	sycamore, great maple	dead, decaying	wood	Major
fruitbody	fruitbody parasitises wounded trunk	[Broadleaved trees]	broadleaved, frondose or deciduous trees		Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/	Broadleaved trees	broadleaved, frondose or deciduous trees	wounded	trunk
fruitbody	fruitbody is saprobic on dead, decaying wood	[Broadleaved trees]	broadleaved, frondose or deciduous trees		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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/	Broadleaved trees	broadleaved, frondose or deciduous trees	dead, decaying	wood
fruitbody	fruitbody parasitises wounded trunk	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Pinopsida/	Pinopsida	conifers	wounded	trunk	Rare
fruitbody	fruitbody is saprobic on dead, decaying wood	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Pinopsida/	Pinopsida	conifers	dead, decaying	wood	Rare
fruitbody	fruitbody parasitises wounded trunk	Juniperus	junipers	Pinales: Cupressaceae	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Pinopsida/Pinales/Cupressaceae/Juniperus/	Juniperus	junipers	wounded	trunk	Rare
fruitbody	fruitbody is saprobic on dead, decaying wood	Juniperus	junipers	Pinales: Cupressaceae	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Pinopsida/Pinales/Cupressaceae/Juniperus/	Juniperus	junipers	dead, decaying	wood	Rare
fruitbody	fruitbody parasitises wounded trunk	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / parasite	/Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Pinus/	Pinus	pines	wounded	trunk	Rare
fruitbody	fruitbody is saprobic on dead, decaying wood	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/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	fruitbody	Foodplant / saprobe	/Plantae/Tracheophyta/Pinopsida/Pinales/Pinaceae/Pinus/	Pinus	pines	dead, decaying	wood	Rare

Interactions where Polyporus squamosus 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 State	Active Stage	Relationship	Relationship Geography	Darwin Classification of Passive Taxon	Passive Taxon	Passive Vernacular	Passive State	Passive Part	Passive Taxon's significance to Active Taxon	Season	Summary
	is associate of larva	Fannia monilis	a lesser house fly	Diptera: Fanniidae	Diptera: Cyclorrhapha Calyptrata (I) Sect (a) Tachinidae and Calliphoridae, van Emden, F.I.,, 1954	/Animalia/Arthropoda/Insecta/Diptera/Fanniidae/Fannia monilis/	Fannia monilis	a lesser house fly		larva	Fungus / associate		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle					larva is associated with
	is associate of larva	Mydaea maculiventris	a muscid fly	Diptera: Muscidae	Diptera: Cyclorrapha Calyptrata Sect (b) Muscidae, Fonseca, E.C.M. d’Assis, 1968	/Animalia/Arthropoda/Insecta/Diptera/Muscidae/Mydaea maculiventris/	Mydaea maculiventris	a muscid fly		larva	Fungus / associate		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle					larva is associated with
	is associate of larva	Mydaea urbana	a muscid fly	Diptera: Muscidae	Diptera: Cyclorrapha Calyptrata Sect (b) Muscidae, Fonseca, E.C.M. d’Assis, 1968	/Animalia/Arthropoda/Insecta/Diptera/Muscidae/Mydaea urbana/	Mydaea urbana	a muscid fly		larva	Fungus / associate		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle					larva is associated with
bracket	bracket may contain larva	Metalimnobia bifasciata	a cranefly	Diptera: Limoniidae		/Animalia/Arthropoda/Insecta/Diptera/Limoniidae/Metalimnobia bifasciata/	Metalimnobia bifasciata	a cranefly		larva	Fungus / internal feeder	UK and/or Eire	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle		bracket			larva feeds within bracket
bracket	bracket may contain larva	Ula sylvatica	a pediciid cranefliy	Diptera: Pediciidae		/Animalia/Arthropoda/Insecta/Diptera/Pediciidae/Ula sylvatica/	Ula sylvatica	a pediciid cranefliy		larva	Fungus / internal feeder	UK and/or Eire	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle		bracket			larva feeds within bracket
bracket	bracket is parasitised by subiculate perithecium	Hypomyces rosellus	Pink Polypore Mould	Hypocreales: Hypocreaceae	Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypomyces rosellus/	Hypomyces rosellus	pink polypore mould	subiculate	perithecium	Fungus / parasite		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle		bracket			subiculate perithecium parasitises bracket
bracket	bracket is parasitised by Cladobotryum anamorph	Hypomyces rosellus	Pink Polypore Mould	Hypocreales: Hypocreaceae	Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypomyces rosellus/	Hypomyces rosellus	pink polypore mould		Cladobotryum anamorph	Fungus / parasite		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle		bracket			Cladobotryum anamorph parasitises bracket
bracket	bracket is decayed by superficial, scattered or gregarious perithecium	Nectria peziza	a pyrenomycete	Hypocreales: Nectriaceae	Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998 Notes from Orpington, Weightman, J., 1981	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Nectriaceae/Nectria peziza/	Nectria peziza	a pyrenomycete	superficial, scattered or gregarious	perithecium	Fungus / saprobe	UK and/or Eire	/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle		bracket	Minor	(8-12)	superficial, scattered or gregarious perithecium is saprobic on bracket
bracket (dying)	dying bracket is decayed by fruitbody	Entoloma parasiticum	a toadstool	Agaricales: Entolomataceae	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/Agaricales/Entolomataceae/Entoloma parasiticum/	Entoloma parasiticum	a toadstool		fruitbody	Fungus / saprobe		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	dying	bracket			fruitbody is saprobic on dying bracket
bracket (old)	old bracket is parasitised by subiculate perithecium	Hypomyces aurantius	Orange Polypore Mould	Hypocreales: Hypocreaceae	Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypomyces aurantius/	Hypomyces aurantius	orange polypore mould	subiculate	perithecium	Fungus / parasite		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	old	bracket	Major		subiculate perithecium parasitises old bracket
bracket (old)	old bracket is parasitised by Cladobotryum anamorph	Hypomyces aurantius	Orange Polypore Mould	Hypocreales: Hypocreaceae	Microfungi on Miscellaneous Substrates: An Identification Handbook, Ellis, M.B. & J.P., 1998	/Fungi/Ascomycota/Sordariomycetes/Hypocreales/Hypocreaceae/Hypomyces aurantius/	Hypomyces aurantius	orange polypore mould		Cladobotryum anamorph	Fungus / parasite		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	old	bracket	Major		Cladobotryum anamorph parasitises old bracket
bracket (rotting)	rotting bracket is decayed by larva	Fungomyza albimana	an anthomyzid fly	Diptera: Anthomyzidae	A monograph of Palaearctic Anthomyzidae (Diptera), Part 2, Roháček, J., 2009	/Animalia/Arthropoda/Insecta/Diptera/Anthomyzidae/Fungomyza albimana/	Fungomyza albimana	an anthomyzid fly		larva	Fungus / saprobe		/Fungi/Basidiomycota/Agaricomycetes/Polyporales/Polyporaceae/Polyporus squamosus/	Polyporus squamosus	dryad’s saddle	rotting	bracket			larva is saprobic on rotting bracket

Author & Year	Title	Source
Buczacki, S. & Harris, K., 1998	Pests, Diseases & Disorders of Garden Plants	Collins Photoguide, 2nd edition edition, Collins
Ellis, M.B. & J.P., 1998	Microfungi on Miscellaneous Substrates: An Identification Handbook	2nd (New Enlarged) edition, 246pp, The Richmond Publishing Co. Ltd
Fonseca, E.C.M. d’Assis, 1968	Diptera: Cyclorrapha Calyptrata Sect (b) Muscidae	Handbooks for the Identification of British Insects , Vol X. Part 4(b), 119pp, The Royal Entomological Society of London
Legon, N.W. & Henrici, A. with Roberts, P.J., Spooner, B.M. & Watling, R., 2005	Checklist of the British and Irish Basidiomycota	517pp, Royal Botanic Gardens, Kew
Roháček, J., 2009	A monograph of Palaearctic Anthomyzidae (Diptera), Part 2	Cas. Slez. Muz. Opava (A) Vol 58, Supp 1.
van Emden, F.I.,, 1954	Diptera: Cyclorrhapha Calyptrata (I) Sect (a) Tachinidae and Calliphoridae	Handbooks for the Identification of British Insects , Vol X. Part 4(a), 133pp, The Royal Entomological Society of London
Weightman, J., 1981	Notes from Orpington	Bull. Br. mycol. Soc. Vol 15 (2): 143-147.

Polyporus squamosus (Dryad’s Saddle) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Polyporus squamosus (Dryad’s Saddle) may also be included in 'fed on by' relations listed under the following higher taxa:

Polyporus
(a genus of stipitate bracket fungi)

POLYPORACEAE
(a family of polypores)

POLYPORALES
(polypores)

FUNGI
(true fungi)

Fungi s.l.
(fungi (in the broad sense))

NBN (data.nbn.org.uk) has a distribution map for Polyporus squamosus (Dryad’s Saddle)

BioImages (www.bioimages.org.uk) has 14 images of Polyporus squamosus (Dryad’s Saddle)

Widespread and common (less so in the north) this large scaly bracket fungus appears during the summer, mainly on frondose trees. It can be a wound parasite, often fruiting on a branch scar, or a saprobe on dead or decayed wood.

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Unless otherwise expressly stated, all original material on the BioInfo website by Malcolm Storey is licensed under the above Creative Commons Licence.

Species	Polyporus squamosus (Dryad’s Saddle)
Genus	Polyporus (a genus of stipitate bracket fungi)
Family	POLYPORACEAE (a family of polypores)
Order	POLYPORALES (polypores)
Subclass	AGARICOMYCETIDAE (a subclass of basidiomycetes)
Class	AGARICOMYCETES (a class of fungi)
Subphylum	AGARICOMYCOTINA (a subphylum of fungi)
Phylum	BASIDIOMYCOTA (spore droppers, basidiomycetes)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Polyporus squamosus (Huds.) Fr.
(Dryad’s Saddle)

Interactions where Polyporus squamosus is the dominant partner and gains from the process

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

Taxonomic hierarchy:

Polyporus squamosus is also a member of:

BioInfo - Wildlife Information (UK)