Rhytisma salicinum (Pers.) Fr.
(Willow Tar-spot)

Interactions where Rhytisma salicinum 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 (embedded in stroma)		embedded in stroma apothecium may be found on dead, fallen leaf			Salix aurita	Eared Willow	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot		embedded in stroma		apothecium	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix aurita/	Salix aurita	eared willow		dead, fallen	leaf
Melasmia coelomycetous anamorph		conidioma of Melasmia coelomycetous anamorph causes spots on live leaf			Salix aurita	Eared Willow	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot			conidioma	Melasmia coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix aurita/	Salix aurita	eared willow		live	leaf
stroma		stroma grows on dead, fallen leaf			Salix aurita	Eared Willow	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot				stroma	Plant / epiphyte			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix aurita/	Salix aurita	eared willow		dead, fallen	leaf
apothecium (embedded in stroma)		embedded in stroma apothecium may be found on dead, fallen leaf			Salix caprea	Goat Willow, Sallow	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot		embedded in stroma		apothecium	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix caprea/	Salix caprea	goat willow, sallow		dead, fallen	leaf
Melasmia coelomycetous anamorph		conidioma of Melasmia coelomycetous anamorph causes spots on live leaf			Salix caprea	Goat Willow, Sallow	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 Bioimages - the Virtual Field Guide, Storey, M.W., 2015	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot			conidioma	Melasmia coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix caprea/	Salix caprea	goat willow, sallow		live	leaf
stroma		stroma grows on dead, fallen leaf			Salix caprea	Goat Willow, Sallow	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot				stroma	Plant / epiphyte			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix caprea/	Salix caprea	goat willow, sallow		dead, fallen	leaf
apothecium (embedded in stroma)		embedded in stroma apothecium may be found on dead, fallen leaf			Salix viminalis	Osier	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot		embedded in stroma		apothecium	Plant / resting place / on			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix viminalis/	Salix viminalis	osier		dead, fallen	leaf
Melasmia coelomycetous anamorph		conidioma of Melasmia coelomycetous anamorph causes spots on live leaf			Salix viminalis	Osier	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot			conidioma	Melasmia coelomycetous anamorph	Foodplant / spot causer			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix viminalis/	Salix viminalis	osier		live	leaf
stroma		stroma grows on dead, fallen leaf			Salix viminalis	Osier	Malpighiales: Salicaceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Rhytismatales/Rhytismataceae/Rhytisma salicinum/	Rhytisma salicinum	willow tar-spot				stroma	Plant / epiphyte			/Plantae/Tracheophyta/Magnoliopsida/Malpighiales/Salicaceae/Salix viminalis/	Salix viminalis	osier		dead, fallen	leaf

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
Storey, M.W., 2015	Bioimages - the Virtual Field Guide	www.bioimages.org.uk

Rhytisma salicinum (Willow Tar-spot) may also be included in 'feeds on' relations listed under the following higher taxa:

FUNGI
(true fungi)

Rhytisma salicinum (Willow Tar-spot) 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	Rhytisma salicinum (Willow Tar-spot)
Genus	Rhytisma (tar-spot fungi)
Family	RHYTISMATACEAE (a family of ascomycetes)
Order	RHYTISMATALES (an order of ascomycetes)
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)

Rhytisma salicinum 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.)

NBN

NBN (data.nbn.org.uk) has a distribution map for Rhytisma salicinum (Willow Tar-spot)

Identification Works

Handling & Magnification	Author	Year	Title	Source
	Minter, D.	1990	First Steps: Little Black Spots	Mycologist Vol 4(1): 38-39.

Rhytisma salicinum (Willow Tar-spot) may also be included in identification literature listed under the following higher taxa:

LEOTIOMYCETIDAE
(powdery mildews)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

Literature listed under the following higher taxa may be relevant to Rhytisma salicinum (Willow Tar-spot):

RHYTISMATACEAE
(a family of ascomycetes)

LEOTIOMYCETIDAE
(powdery mildews)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

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

BioImages

BioImages (www.bioimages.org.uk) has 10 images of Rhytisma salicinum (Willow Tar-spot)

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