Calicium corynellum (Ach.) Ach.
(Rock Nail)

Taxonomic hierarchy:

Species	Calicium corynellum (Rock Nail)
Genus	Calicium (a genus of lichens)
Family	CALICIACEAE (a family of lichens)
Order	TELOSCHISTALES (an order of lichens)
Subclass	LECANOROMYCETIDAE (a subclass of lichens)
Class	LECANOROMYCETES (a class of lichens)
Subphylum	PEZIZOMYCOTINA (a subphylum of ascomycetes)
Phylum	ASCOMYCOTA (spore shooters, ascomycete)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Calicium corynellum is also a member of:
Lichenes - lichens (via Lecanoromycetidae)
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
	Hawksworth, D.L.	1975	Notes on British Lichenicolous Fungi, I	Kew Bulletin Vol 30 (1): 183-203.

Calicium corynellum (Rock Nail) may also be included in identification literature listed under the following higher taxa:

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Lichenes
(lichens)

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

NBN (data.nbn.org.uk) has a distribution map for Calicium corynellum (Rock Nail)

BioInfo (www.bioinfo.org.uk) has 1 host/parasite/foodplant and/or other relationships for Calicium corynellum (Rock Nail)

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Taxonomic hierarchy:

Calicium corynellum is also a member of:

Identification Works

BioImages - Virtual Field-Guide (UK)