Psathyrella piluliformis (Bull.) P.D. Orton
(Common Stump Brittlestem)

Interactions where Psathyrella piluliformis is the controlling partner and gains from the process

The following relationships have been collated from the published literature (see '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 (caespitose)		caespitose fruitbody is saprobic on dead, decayed wood			Rhododendron	rhododendrons and azaleas	Ericales: Ericaceae	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/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Ericales/Ericaceae/Rhododendron/	Rhododendron	rhododendrons and azaleas		dead, decayed	wood		Rare
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed stump (large)			Rhododendron	rhododendrons and azaleas	Ericales: Ericaceae	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/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Ericales/Ericaceae/Rhododendron/	Rhododendron	rhododendrons and azaleas		dead, decayed	stump (large)		Rare
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed trunk (large)			Rhododendron	rhododendrons and azaleas	Ericales: Ericaceae	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/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Ericales/Ericaceae/Rhododendron/	Rhododendron	rhododendrons and azaleas		dead, decayed	trunk (large)		Rare
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed wood			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	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula/	Betula	birches		dead, decayed	wood		Rare
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed stump (large)			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	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula/	Betula	birches		dead, decayed	stump (large)		Rare
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed trunk (large)			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	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula/	Betula	birches		dead, decayed	trunk (large)		Rare
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed 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/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus/	Fagus	beeches		dead, decayed	wood		Major
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed stump (large)			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/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus/	Fagus	beeches		dead, decayed	stump (large)		Major
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed trunk (large)			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/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Fagus/	Fagus	beeches		dead, decayed	trunk (large)		Major
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed wood			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	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/	Quercus	oaks		dead, decayed	wood		Major
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed stump (large)			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	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/	Quercus	oaks		dead, decayed	stump (large)		Major
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed trunk (large)			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	/Fungi/Basidiomycota/Agaricomycetes/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/	Quercus	oaks		dead, decayed	trunk (large)		Major
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed 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/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/	Broadleaved trees	broadleaved, frondose or deciduous trees		dead, decayed	wood
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed stump (large)			[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/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/	Broadleaved trees	broadleaved, frondose or deciduous trees		dead, decayed	stump (large)
fruitbody (caespitose)		caespitose fruitbody is saprobic on dead, decayed trunk (large)			[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/Agaricales/Psathyrellaceae/Psathyrella piluliformis/	Psathyrella piluliformis	common stump brittlestem		caespitose		fruitbody	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/	Broadleaved trees	broadleaved, frondose or deciduous trees		dead, decayed	trunk (large)

Psathyrella piluliformis (Common Stump Brittlestem) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Psathyrella piluliformis (Common Stump Brittlestem) may be included in 'fed on by' relations listed under the following higher taxa:

Psathyrella
(brittlestem toadstools)

AGARICALES
(mushrooms and toadstools)

FUNGI
(true fungi)

Macromycetes
(larger fungi, macrofungi)

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

Author & Year	Title	Source
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

Taxonomic hierarchy:

Species	Psathyrella piluliformis (Common Stump Brittlestem)
Genus	Psathyrella (brittlestem toadstools)
Family	PSATHYRELLACEAE (a family of inkcap and brittlestem toadstools)
Order	AGARICALES (mushrooms and toadstools)
Class	AGARICOMYCETES (a class of fungi)
Subphylum	AGARICOMYCOTINA
Phylum	BASIDIOMYCOTA (spore droppers)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Psathyrella piluliformis is also a member of:
Macromycetes - larger fungi, macrofungi (via Agaricales)
Fungi s.l. - fungi (in the broad sense) (via Fungi)
Lower Plants - lower plants (via Fungi s.l.)

NBN

NBN (data.nbn.org.uk) has a distribution map for Psathyrella piluliformis (Common Stump Brittlestem)

Psathyrella piluliformis (Common Stump Brittlestem) may be included in identification literature listed under the following higher taxa:

Psathyrella
(brittlestem toadstools)

PSATHYRELLACEAE
(a family of inkcap and brittlestem toadstools)

AGARICALES
(mushrooms and toadstools)

AGARICOMYCETES
(a class of fungi)

BASIDIOMYCOTA
(spore droppers)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Macromycetes
(larger fungi, macrofungi)

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

Literature listed under the following higher taxa may be relevant to Psathyrella piluliformis (Common Stump Brittlestem):

Psathyrella
(brittlestem toadstools)

PSATHYRELLACEAE
(a family of inkcap and brittlestem toadstools)

AGARICALES
(mushrooms and toadstools)

AGARICOMYCETES
(a class of fungi)

BASIDIOMYCOTA
(spore droppers)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Macromycetes
(larger fungi, macrofungi)

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

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