Onygena equina (Willd.) Pers.
(Horn Stalkball)

Taxonomic hierarchy:

Species	Onygena equina (Horn Stalkball)
Genus	Onygena (stalkball fungi)
Family	ONYGENACEAE (a family of ascomycetes)
Order	ONYGENALES (an order of ascomycetes)
Subclass	EUROTIOMYCETIDAE (a subclass of ascomycetes)
Class	EUROTIOMYCETES (a class of fungi)
Subphylum	PEZIZOMYCOTINA (a subphylum of ascomycetes)
Phylum	ASCOMYCOTA (spore shooters, ascomycete)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Onygena equina is also a member of:
Micromycetes - microfungi (via Ascomycota)
Fungi s.l. - fungi (in the broad sense) (via Fungi)
Lower Plants - lower plants (via Fungi s.l.)

Identification Works

	Author	Year	Title	Source
	Hobart, C. & Kibby, G.	2003	This striking study of a ram’s skull … Onygena equina	Vol 4 (2) Page: 38

Onygena equina (Horn Stalkball) may also be included in identification literature listed under the following higher taxa:

ONYGENACEAE
(a family of ascomycetes)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

NBN (data.nbn.org.uk) has a distribution map for Onygena equina (Horn Stalkball)

BioInfo (www.bioinfo.org.uk) has 5 host/parasite/foodplant and/or other relationships for Onygena equina (Horn Stalkball)

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Taxonomic hierarchy:

Onygena equina is also a member of:

Identification Works

BioImages - Virtual Field-Guide (UK)