Psathyrella sphaerocystis P.D. Orton
(a brittlestem)

Taxonomic hierarchy:

Species	Psathyrella sphaerocystis (a brittlestem)
Genus	Psathyrella (brittlestem toadstools)
Family	PSATHYRELLACEAE (a family of inkcap and brittlestem toadstools)
Order	AGARICALES (mushrooms and toadstools)
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)

Psathyrella sphaerocystis 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.)

Identification Works

	Author	Year	Title	Source
	Orton, P.D.	1964	Notes on British Agarics II	Notes from the Royal Botanic Garden, Edinburgh Vol XXVI, No 1: 43-65.

Psathyrella sphaerocystis (a brittlestem) may also 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)

AGARICOMYCETIDAE
(a subclass of basidiomycetes)

AGARICOMYCETES
(a class of fungi)

BASIDIOMYCOTA
(spore droppers, basidiomycetes)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Macromycetes
(larger fungi, macrofungi)

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

NBN (data.nbn.org.uk) has a distribution map for Psathyrella sphaerocystis (a brittlestem)

BioInfo (www.bioinfo.org.uk) has 3 host/parasite/foodplant and/or other relationships for Psathyrella sphaerocystis (a brittlestem)

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Taxonomic hierarchy:

Psathyrella sphaerocystis is also a member of:

Identification Works

BioImages - Virtual Field-Guide (UK)