Ramularia vallisumbrosae Cavara
(Narcissus White Mould - causative organism, Narcissus White Mould Disease)

Interactions where Ramularia vallisumbrosae 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
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live stem			Galanthus	snowdrops	Asparagales: Amaryllidaceae		/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Galanthus/	Galanthus	snowdrops		live	stem
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live leaf			Galanthus	snowdrops	Asparagales: Amaryllidaceae		/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Galanthus/	Galanthus	snowdrops		live	leaf
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live leaf			Leucojum vernum	Spring Snowflake	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Leucojum vernum/	Leucojum vernum	spring snowflake		live	leaf
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live stem			Leucojum vernum	Spring Snowflake	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Leucojum vernum/	Leucojum vernum	spring snowflake		live	stem
Ramularia anamorph		sclerotium of Ramularia anamorph causes spots on dead			Narcissus	daffodils and narcissi	Asparagales: Amaryllidaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Fungi of the South East England, Dennis, R.W.G., 1995	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease			sclerotium	Ramularia anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Narcissus/	Narcissus	daffodils and narcissi		dead
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live leaf			Narcissus	daffodils and narcissi	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998 Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Fungi of the South East England, Dennis, R.W.G., 1995	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Narcissus/	Narcissus	daffodils and narcissi		live	leaf
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live stem			Narcissus	daffodils and narcissi	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998 Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Fungi of the South East England, Dennis, R.W.G., 1995	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Narcissus/	Narcissus	daffodils and narcissi		live	stem
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live leaf			Narcissus poeticus	Pheasant’s-eye Daffodil, Poet’s Narcissus	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Narcissus poeticus/	Narcissus poeticus	pheasant's-eye daffodil, poet's narcissus		live	leaf
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live stem			Narcissus poeticus	Pheasant’s-eye Daffodil, Poet’s Narcissus	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Narcissus poeticus/	Narcissus poeticus	pheasant's-eye daffodil, poet's narcissus		live	stem
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live leaf			Narcissus pseudonarcissus	Daffodil	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 First report of white mould (Ramularia vallisumbrosae) on daffodils (Narcissus) in eastern England, O'Neill, T.M., Hanks, G.R. & Kennedy, R., 2002	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Narcissus pseudonarcissus/	Narcissus pseudonarcissus	daffodil		live	leaf
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live stem			Narcissus pseudonarcissus	Daffodil	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997 First report of white mould (Ramularia vallisumbrosae) on daffodils (Narcissus) in eastern England, O'Neill, T.M., Hanks, G.R. & Kennedy, R., 2002	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		UK and/or Eire	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Narcissus pseudonarcissus/	Narcissus pseudonarcissus	daffodil		live	stem
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live leaf			Pancratium maritimum	Sea Daffodil	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Pancratium maritimum/	Pancratium maritimum	sea daffodil		live	leaf
Ramularia anamorph (amphigenous)		amphigenous colony of Ramularia anamorph causes spots on live stem			Pancratium maritimum	Sea Daffodil	Asparagales: Amaryllidaceae	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II, Braun, U., 1998	/Fungi/Ascomycota/Dothideomycetes/Capnodiales/Mycosphaerellaceae/Ramularia vallisumbrosae/	Ramularia vallisumbrosae	Narcissus white mould - causative organism, narcissus white mould disease		amphigenous	colony	Ramularia anamorph	Foodplant / spot causer		Foreign	/Plantae/Tracheophyta/Magnoliopsida/Asparagales/Amaryllidaceae/Pancratium maritimum/	Pancratium maritimum	sea daffodil		live	stem

Author & Year	Title	Source
Braun, U., 1998	Monograph of Cercosporella, Ramularia and Allied Genera - Vol II	Phytopathogenic Hyphomycetes, 2, 493pp, IHW-Verlag
Buczacki, S. & Harris, K., 1998	Pests, Diseases & Disorders of Garden Plants	Collins Photoguide, 2nd edition edition, Collins
Dennis, R.W.G., 1995	Fungi of the South East England	383pp, Royal Botanic Gardens, Kew
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
O'Neill, T.M., Hanks, G.R. & Kennedy, R., 2002	First report of white mould (Ramularia vallisumbrosae) on daffodils (Narcissus) in eastern England	New Disease Reports Vol 4.

Ramularia vallisumbrosae (Narcissus White Mould - causative organism, Narcissus White Mould Disease) may also be included in 'feeds on' relations listed under the following higher taxa:

Ramularia
(a genus of plant-pathogenic anamorphic hyphomycetes)

FUNGI
(true fungi)

Ramularia vallisumbrosae (Narcissus White Mould - causative organism, Narcissus White Mould Disease) 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:

Anamorphic Species	Ramularia vallisumbrosae (Narcissus White Mould - causative organism, Narcissus White Mould Disease)
Genus	Ramularia (a genus of plant-pathogenic anamorphic hyphomycetes)
Family	MYCOSPHAERELLACEAE (a family of ascomycetes and lichens)
Order	CAPNODIALES (sooty moulds)
Subclass	DOTHIDEOMYCETIDAE (a subclass of fungi)
Class	DOTHIDEOMYCETES (a class of ascomycetes)
Subphylum	PEZIZOMYCOTINA (a subphylum of ascomycetes)
Phylum	ASCOMYCOTA (spore shooters, ascomycete)
Kingdom	FUNGI (true fungi)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

Ramularia vallisumbrosae is also a member of:
Hyphomycetes - moulds (via Ramularia)
Anamorphic fungi - mitosporic fungi (via Hyphomycetes)
Micromycetes - microfungi (via Anamorphic fungi)
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 Ramularia vallisumbrosae (Narcissus White Mould - causative organism, Narcissus White Mould Disease)

Identification Works

Handling & Magnification	Author	Year	Title	Source
	Legon, N.	2011		Personal Communication

Ramularia vallisumbrosae (Narcissus White Mould - causative organism, Narcissus White Mould Disease) may also be included in identification literature listed under the following higher taxa:

Ramularia
(a genus of plant-pathogenic anamorphic hyphomycetes)

MYCOSPHAERELLACEAE
(a family of ascomycetes and lichens)

CAPNODIALES
(sooty moulds)

DOTHIDEOMYCETES
(a class of ascomycetes)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Hyphomycetes
(moulds)

Anamorphic fungi
(mitosporic fungi)

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

General Works

Author	Year	Title	Source
O’Neill, T.M., Hanks, G.R. & Kennedy, R.	2002	First report of white mould (Ramularia vallisumbrosae) on daffodils (Narcissus) in eastern England	New Disease Reports Vol 4.

Literature listed under the following higher taxa may also be relevant to Ramularia vallisumbrosae (Narcissus White Mould - causative organism, Narcissus White Mould Disease):

Ramularia
(a genus of plant-pathogenic anamorphic hyphomycetes)

MYCOSPHAERELLACEAE
(a family of ascomycetes and lichens)

CAPNODIALES
(sooty moulds)

DOTHIDEOMYCETES
(a class of ascomycetes)

ASCOMYCOTA
(spore shooters, ascomycete)

FUNGI
(true fungi)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Hyphomycetes
(moulds)

Anamorphic fungi
(mitosporic fungi)

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

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