Thuja occidentalis L.
(American Arbor-vitae, Northern White-cedar)

Interactions where Thuja occidentalis is the victim or passive partner (and generally loses out from the process)

The following relationships have been collated from the published literature (see 'Interaction References').

Filters:

Affected Part		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	Summary
		may have epiphytic resupinate fruitbody			Amylostereum laevigatum	Yew Duster	Russulales: Amylostereaceae	The Corticiaceae of Northern Europe: 2 Aleurodiscus - Confertobasidium, Eriksson, J., Hjortstam, K. & Ryvarden, L., 1973	/Fungi/Basidiomycota/Agaricomycetes/Russulales/Amylostereaceae/Amylostereum laevigatum/	Amylostereum laevigatum	yew duster		resupinate		fruitbody	Plant / epiphyte		Foreign	/Plantae/Tracheophyta/Pinopsida/Pinales/Cupressaceae/Thuja occidentalis/	Thuja occidentalis	american arbor-vitae, northern white-cedar					Minor			resupinate fruitbody grows on
branch		branch is decayed by erumpent, pulvinate acervulus of Kabatina coelomycetous anamorph			Kabatina thujae	a coelomycete	Dothideales: Dothioraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Dothideales/Dothioraceae/Kabatina thujae/	Kabatina thujae	a coelomycete		erumpent, pulvinate	acervulus	Kabatina coelomycetous anamorph	Foodplant / saprobe			/Plantae/Tracheophyta/Pinopsida/Pinales/Cupressaceae/Thuja occidentalis/	Thuja occidentalis	american arbor-vitae, northern white-cedar			branch					erumpent, pulvinate acervulus of Kabatina coelomycetous anamorph is saprobic on branch
cone scale		cone scale is decayed by solitary or grouped pseudothecium			Dothiora thujae	an ascomycete	Dothideales: Dothioraceae	Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Dothideomycetes/Dothideales/Dothioraceae/Dothiora thujae/	Dothiora thujae	an ascomycete		solitary or grouped		pseudothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Pinopsida/Pinales/Cupressaceae/Thuja occidentalis/	Thuja occidentalis	american arbor-vitae, northern white-cedar			cone scale					solitary or grouped pseudothecium is saprobic on cone scale
leaf (dead, attached)		dead, attached leaf is decayed by immersed, opening by little lids apothecium			Didymascella thujina	Thuja Needle Scorch, Kethia Disease - causative organism	Helotiales: Hemiphacidiaceae	Pests, Diseases & Disorders of Garden Plants, Buczacki, S. & Harris, K., 1998 Microfungi on Land Plants: An Identification Handbook, Ellis, M.B. & J.P., 1997	/Fungi/Ascomycota/Leotiomycetes/Helotiales/Hemiphacidiaceae/Didymascella thujina/	Didymascella thujina	Thuja needle scorch, Kethia disease (causative organism)		immersed, opening by little lids		apothecium	Foodplant / saprobe			/Plantae/Tracheophyta/Pinopsida/Pinales/Cupressaceae/Thuja occidentalis/	Thuja occidentalis	american arbor-vitae, northern white-cedar		dead, attached	leaf				(6-8)	immersed, opening by little lids apothecium is saprobic on dead, attached leaf
twig (dead)		dead twig is decayed by pycnidium of Phomopsis coelomycetous anamorph			Phomopsis thujae	(A Coelomycete)	Diaporthales: Diaporthaceae	British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia, Grove, W.B., 1935	/Fungi/Ascomycota/Sordariomycetes/Diaporthales/Diaporthaceae/Phomopsis thujae/	Phomopsis thujae	(a coelomycete)			pycnidium	Phomopsis coelomycetous anamorph	Foodplant / saprobe		Foreign	/Plantae/Tracheophyta/Pinopsida/Pinales/Cupressaceae/Thuja occidentalis/	Thuja occidentalis	american arbor-vitae, northern white-cedar		dead	twig					pycnidium of Phomopsis coelomycetous anamorph is saprobic on dead twig

Author & Year	Title	Source
Buczacki, S. & Harris, K., 1998	Pests, Diseases & Disorders of Garden Plants	Collins Photoguide, 2nd edition edition, Collins
Ellis, M.B. & J.P., 1997	Microfungi on Land Plants: An Identification Handbook	2nd (New Enlarged) edition, 868pp, The Richmond Publishing Co. Ltd
Eriksson, J., Hjortstam, K. & Ryvarden, L., 1973	The Corticiaceae of Northern Europe: 2 Aleurodiscus - Confertobasidium	Corticiaceae of Northern Europe, The, 2, Fungiflora
Grove, W.B., 1935	British Stem- and Leaf- Fungi: Coelomycetes Vol. I … Sphaeropsidales with hyaline conidia	Vol I, 488pp, Cambridge University Press

Thuja occidentalis (American Arbor-vitae, Northern White-cedar) may also be included in 'fed on by' relations listed under the following higher taxa:

Thuja
(red cedars)

CUPRESSACEAE
(cypresses, junipers, redwoods, and red- and incense cedars)

PINOPSIDA
(conifers)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Introduced conifers
(conifers grown in Britain, but not native)

Evergreen trees and shrubs
(evergreens)

Trees and shrubs
(trees and shrubs, including conifers)

Trees
(broadleaved and coniferous trees)

Trees, shrubs, woody and climbing plants
(trees, shrubs, subshrubs and climbers, including conifers)

Taxonomic hierarchy:

Species	Thuja occidentalis (American Arbor-vitae, Northern White-cedar)
Genus	Thuja (red cedars)
Family	CUPRESSACEAE (cypresses, junipers, redwoods, and red- and incense cedars)
Order	PINALES (conifers)
Class	PINOPSIDA (conifers)
Phylum	TRACHEOPHYTA (vascular plants)
Kingdom	PLANTAE (plants)
Domain	Eukaryota (eukaryotes)
Life	BIOTA (living things)

NBN

NBN (data.nbn.org.uk) has a distribution map for Thuja occidentalis (American Arbor-vitae, Northern White-cedar)

Thuja occidentalis (American Arbor-vitae, Northern White-cedar) may be included in identification literature listed under the following higher taxa:

PINOPSIDA
(conifers)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Trees and shrubs
(trees and shrubs, including conifers)

Trees
(broadleaved and coniferous trees)

Trees, shrubs, woody and climbing plants
(trees, shrubs, subshrubs and climbers, including conifers)

Literature listed under the following higher taxa may be relevant to Thuja occidentalis (American Arbor-vitae, Northern White-cedar):

PINOPSIDA
(conifers)

TRACHEOPHYTA
(vascular plants)

PLANTAE
(plants)

Eukaryota
(eukaryotes)

BIOTA
(living things)

Endomycorrhizal trees and shrubs
(endomycorrhizal or endotrophic mycorrhizal trees and shrubs)

Endomycorrhizal plants
(plants that form endomycorrhiza)

Trees and shrubs
(trees and shrubs, including conifers)

Trees
(broadleaved and coniferous trees)

Trees, shrubs, woody and climbing plants
(trees, shrubs, subshrubs and climbers, including conifers)

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