Hymenoscyphus laetus (Boud.) Dennis
(a discomycete)

Interactions where Hymenoscyphus laetus 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 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
apothecium (short-stalked)		short-stalked apothecium is saprobic on dead, fallen branch			Alnus	alders	Fagales: Betulaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Helotiales/Helotiaceae/Hymenoscyphus laetus/	Hymenoscyphus laetus	a discomycete		short-stalked		apothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Alnus/	Alnus	alders		dead, fallen	branch				(9-3)
apothecium (short-stalked)		short-stalked apothecium is saprobic on dead, fallen branch			Betula	birches	Fagales: Betulaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Helotiales/Helotiaceae/Hymenoscyphus laetus/	Hymenoscyphus laetus	a discomycete		short-stalked		apothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Betulaceae/Betula/	Betula	birches		dead, fallen	branch				(9-3)
apothecium (short-stalked)		short-stalked apothecium is saprobic on dead, fallen branch			Quercus	oaks	Fagales: Fagaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Helotiales/Helotiaceae/Hymenoscyphus laetus/	Hymenoscyphus laetus	a discomycete		short-stalked		apothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Fagales/Fagaceae/Quercus/	Quercus	oaks		dead, fallen	branch				(9-3)
apothecium (short-stalked)		short-stalked apothecium is saprobic on dead, fallen branch			Fraxinus	ashes	Lamiales: Oleaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Helotiales/Helotiaceae/Hymenoscyphus laetus/	Hymenoscyphus laetus	a discomycete		short-stalked		apothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Lamiales/Oleaceae/Fraxinus/	Fraxinus	ashes		dead, fallen	branch				(9-3)
apothecium (short-stalked)		short-stalked apothecium is saprobic on dead, fallen branch			[Broadleaved trees]	broadleaved, frondose or deciduous trees		Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Helotiales/Helotiaceae/Hymenoscyphus laetus/	Hymenoscyphus laetus	a discomycete		short-stalked		apothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Magnoliopsida/Broadleaved trees/	Broadleaved trees	broadleaved, frondose or deciduous trees		dead, fallen	branch				(9-3)

Author & Year	Title	Source
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd

Hymenoscyphus laetus (a discomycete) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Hymenoscyphus laetus (a discomycete) may be included in 'fed on by' relations listed under the following higher taxa:

FUNGI
(true fungi)

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

Taxonomic hierarchy:

Species	Hymenoscyphus laetus (a discomycete)
Genus	Hymenoscyphus (a genus of discomycetes)
Family	HELOTIACEAE (a family of discomycetes)
Order	HELOTIALES (an order of discomycetes and lichens)
Subclass	LEOTIOMYCETIDAE (powdery mildews)
Class	LEOTIOMYCETES (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)

Hymenoscyphus laetus is also a member of:
Discomycetes - discomycete fungi (via Helotiales)
Micromycetes - microfungi (via Ascomycota)
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 Hymenoscyphus laetus (a discomycete)

Hymenoscyphus laetus (a discomycete) may be included in identification literature listed under the following higher taxa:

HELOTIALES
(an order of discomycetes and lichens)

LEOTIOMYCETIDAE
(powdery mildews)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Discomycetes
(discomycete fungi)

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

Literature listed under the following higher taxa may be relevant to Hymenoscyphus laetus (a discomycete):

HELOTIALES
(an order of discomycetes and lichens)

LEOTIOMYCETIDAE
(powdery mildews)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Discomycetes
(discomycete fungi)

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

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