Common Tree Diseases of British Columbia
Host-Fungus Index
This index lists the disease organisms found on the important commercial tree species of B.C. Names in bold-face indicate that the organism is very common to that particular host. These designations are based on the experience of the authors and other experts.
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Common Tree Diseases Home
Red Alder
(
Alnus rubra Bong.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Armillaria gallica
Armillaria cepistipes
Armillaria nabsnona
Heterobasidion annosum
|
Sap Rots
Chondrostereum purpureum
Gleophyllum sepiarium
|
|
Heart Rots
Fomes fomentarius
Fomitopsis pinicola
Ganoderma applanatum
Perenniporia subacida
Phellinus igniarius
Phellinus pini
Stereum sanguinolentum
|
Canker Diseases
Didymosphaeria oregonensis
Hypoxylon mammatum
Inonotus obliquus
Nectria cinnabarina
Nectria ditissima
|
[
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Trembling Aspen
(
Populus tremuloides Michx.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
|
Canker Diseases
Cytospora chrysosperma
Hypoxylon mammatum
|
|
Heart Rots
Fomitopsis pinicola
Ganoderma applanatum
Laetiporus sulphureus
Phellinus tremulae
Sap Rots
Chondrostereum purpureum
Gleophyllum sepiarium
|
Broadleaf Foliar Diseases
Ciborinia whetzelii
Drepanopezziza populorum
Marssonina populi
Melampsora albertensis
Mycosphaerella populicola
Septoria populicola
Venturia macularis
|
[
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Bigleaf Maple
(
Acer macrophyllum Pursh)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Armillaria gallica
Armillaria nabsnona
Heterobasidion annosum
Sap Rots
Chondrostereum purpureum
|
Heart Rots
Fomitopsis pinicola
Ganoderma applanatum
Broadleaf Foliar Diseases
Rhytisma punctatum
Uncinula bicornis
|
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Birch
(
Betula papyrifera Marsh.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Armillaria cepistipes
Armillaria nabsnona
Phaeolus schweinitzii
Sap Rots
Chondrostereum purpureum
Gleophyllum sepiarium
|
Heart Rots
Fomes fomentarius
Fomitopsis pinicola
Ganoderma applanatum
Laetiporus sulphureus
Perenniporia subacida
Phellinus igniarius
Phellinus pini
Piptoporus betulinus
Canker Diseases
Inonotus obliquus
Nectria cinnabarina
|
[
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Cottonwood
(
Populus trichocarpa Torr. & A. Gray)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Armillaria nabsnona
Heterobasidion annosum
Heart Rots
Fomes fomentarius
Fomitopsis pinicola
Ganoderma applanatum
Perenniporia subacida
Phellinus igniarius
Pholiota populnea
Spongipellis delectans
Sap Rots
Chondrostereum purpureum
Gleophyllum sepiarium
|
Canker Diseases
Nectria cinnabarina
Broadleaf Foliar Diseases
Ciborinia whetzelii
Drepanopeziza populorum
Linospora tetraspora
Marssonina populi
Melampsora occidentalis
Mycosphaerella populicola
Septoria populicola
Taphrina populi-salicis
Venturia populina
|
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Willow
(
Salix sp.L.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Armillaria nabsnona
|
Canker Diseases
Cytospora chrysosperma
Hypoxylon mammatum
Nectria cinnabarina
|
|
Sap Rots
Chondrostereum purpureum
Gleophyllum sepiarium
Heart Rots
Fomes fomentarius
Fomitopsis pinicola
Ganoderma applanatum
Laetiporus sulphureus
Phellinus igniarius
|
Broadleaf Foliar Diseases
Melampsora epitea
Melampsora abieti-capraearum
Melampsora epitea f. sp. tsugae
Melampsora paradoxa
Melampsora ribesii-purpureae
Rhytisma salicinum
Taphrina populi-salicis
|
[
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Douglas-fir
(Pseudotsuga menziesii (Mirb.) Franco)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii
Rhizina undulata
Sap Rots
Chondrostereum purpureum
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
Conifer Needle Diseases
Herpotrichia juniperi
Rhabdocline pseudotsugae
Canker Diseases
Diaporthe lokoyae
|
Heart Rots
Ceriporiopsis rivulosa
Echinodontium tinctorium
Fomes fomentarius
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Laetiporus sulphureus
Perenniporia subacida
Phellinus hartigii
Phellinus igniarius
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
Conifer Rust Diseases
Needle
Melampsora albertensis
Melampsora occidentalis
Dwarf Mistletoes
Arceuthobium douglasii (primary host)
|
[ Top ]
Hemlock
Mountain Hemlock
(Tsuga mertensiana Bong. Carrière)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii
Sap Rots
Gleophyllum sepiarium
Trichaptum abietinum
|
Heart Rots
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Perenniporia subacida
Phellinus pini
Stereum sanguinolentum
Veluticeps fimbriata
|
|
Conifer Needle Diseases
Herpotrichia juniperi
Dwarf Mistletoes
Arceuthobium tsugense (primary host)
|
Conifer Rust Diseases
Stem and Broom
Naohidemyces vaccinii
Needle
Melampsora albertensis (inoculation. only)
Melampsora epitea
|
[
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Western Hemlock
(
Tsuga heterophylla (Raf.) Sarg.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii
Rhizina undulata
Canker Diseases
Diaporthe lokoyae
Nectria cinnabarina
Sap Rots
Chondrostereum purpureum
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
Conifer Needle Diseases
Herpotrichia juniperi
Dwarf Mistletoes
Arceuthobium tsugense (primary host)
|
Heart Rots
Ceriporiopsis rivulosa
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Laetiporus sulphureus
Neolentinus kauffmanii
Perenniporia subacida
Phellinus hartigii
Phellinus igniarius
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
Conifer Rust Diseases
Stem and Broom
Naohidemyces vaccinii
Needle
Melampsora epitea
|
[
Top ]
Juniper
(
Juniperus L.)
|
Heart Rots
Perenniporia subacida
Phellinus pini
Postia sericeomollis
|
Sap Rots
Gleophyllum sepiarium
Trichaptum abietinum
|
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
|
|
[
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Pine
Lodgepole Pine
(Pinus contorta Douglas & Loud. var latifolia Engelm ex S. Wats.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii
Rhizina undulata
|
Heart Rots
Fomitopsis officinalis
Fomitopsis pinicola
Laetiporus sulphureus
Perenniporia subacida
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
|
|
Conifer Needle Diseases
Davisomycella ampla
Elytroderma deformans
Herpotrichia juniperi
Lophodermella concolor
Lophodermium pinastri
Lophodermium seditiosum
Mycospaerella pini
Neopeckia coulteri
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
Canker Diseases
Atropellis piniphila
|
Conifer Rust Diseases
Stem and Broom
Cronartium coleosporioides
Cronartium comandrae
Cronartium comptoniae
Endocronartium harknessii
Needle
Melampsora albertensis
Melampsora occidentalis (inoculation. only)
Dwarf Mistletoes
Arceuthobium americanum
Arceuthobium laricis (secondary host)
Arceuthobium tsugense (secondary host)
|
[
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Ponderosa Pine
(
Pinusponderosa Douglas ex P. Laws. & C. Laws.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii
Conifer Rust Diseases
Stem and Broom
Cronartium coleosporioides
Cronartium comandrae
Cronartium comptoniae
Endocronartium harknessii
Needle
Melampsora albertensis
Melampsora occidentalis (inoculation. only)
Dwarf Mistletoes
Arceuthobium americanum (secondary host)
Arceuthobium laricis (rare host)
|
Heart Rots
Fomitopsis officinalis
Fomitopsis pinicola
Laetiporus sulphureus
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Conifer Needle Diseases
Elytroderma deformans
Lophodermella concolor
Lophodermium pinastri
Mycosphaerella pini
Canker Diseases
Atropellis piniphila
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
|
[
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Western White Pine
(
Pinus monticola Douglas
ex D. Don)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii
Rhizina undulata
|
Heart Rots
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Laetiporus sulphureus
Perenniporia subacida
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
|
|
Conifer Rust Diseases
Stem and Broom
Cronartium ribicola
Needle
Melampsora occidentalis (inoculation. only)
Dwarf Mistletoes
Arceuthobium laricis (rare host)
Arceuthobium tsugense (secondary host)
|
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
Conifer Needle Diseases
Bifusella linearis
Herpotrichia juniperi
Mycosphaerella pini
Neopeckia coulteri
Canker Diseases
Atropellis pinicola
|
[
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Spruce
Black Spruce
(Picea mariana (Mill.) B. S. P.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Inonotus tomentosus
Phaeolus schweinitzii
|
Heart Rots
Fomitopsis officinalis
Fomitopsis pinicola
Phellinus pini
Veluticeps fimbriata
|
|
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
Conifer Needle Diseases
Lirula macrospora
|
Conifer Rust Diseases
Stem and Broom
Chrysomyxa arctostaphyli
Chrysomyxa ledicola
Cone
Chrysomyxa pirolata
|
[
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Engelmann Spruce
(
Picea engelmannii Parry ex Engelm.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii
Rhizina undulata
Dwarf Mistletoes
Arceuthobium americanum (rare host)
Arceuthobium douglasii (rare host)
Arceuthobium laricis (rare host)
Arceuthobium tsugense (rare host)
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
|
Heart Rots
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Laetiporus sulphureus
Perenniporia subacida
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
Conifer Rust Diseases
Stem and Broom
Chrysomyxa arctostaphyli
Chrysomyxa ledicola
Cone
Chrysomyxa pirolata
|
|
Conifer Needle Diseases
Herpotrichia juniperi
Neopeckia coulteri
Lirula macrospora
|
|
[
Top ]
White Spruce
(
Picea glauca (Moench) Voss)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Rhizina undulata
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
|
Heart Rots
Ceriporiopsis rivulosa
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Laetiporus sulphureus
Perenniporia subacida
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
|
|
Conifer Needle Diseases
Herpotrichia juniperi
Lirula macrospora
Dwarf Mistletoes
Arceuthobium americanum (rare host)
|
Conifer Rust Diseases
Stem and Broom
Chrysomyxa arctostaphyli
Chrysomyxa ledicola
Cone
Chrysomyxa pirolata
|
[
Top ]
Sitka Spruce
(
Picea sitchensis Bong. Carrière)
|
Heart Rots
Ceriporiopsis rivulosa
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Laetiporus sulphureus
Neolentinus kaufmanii
Perenniporia subacida
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
|
Conifer Rust Diseases
Stem and Broom
Chrysomyxa arctostaphyli
Chrysomyxa ledicola
Cone
Chrysomyxa pirolata
Chrysomyxa monesis
Needle
Melampsora albertensis (inoculation. only)
Melampsora occidentalis (inoculation. only)
|
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Phaeolus schweinitzii
Phellinus weirii
Rhizina undulata
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
|
Dwarf Mistletoes
Arceuthobium tsugense (rare host)
Canker Diseases
Diaporthe lokoyae
Conifer Needle Diseases
Herpotrichia juniperi
Lirula macrospora
|
[
Top ]
True Fir
Subalpine Fir
(Abies lasiocarpa (Hook.) Nutt.)
|
Heart Rots
Echinodontium tinctorium
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Laetiporus sulphureus
Perenniporia subacida
Phellinus hartigii
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
|
Conifer Rust Diseases
Stem and Broom
Melampsorella caryophyllacearum
Needle
Melampsora albertensis
Melampsora epitea
Melampsora abieti-capraearum
Pucciniastrum epilobii
|
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Phaeolus schweinitzii
Phellinus weirii
|
Sap Rots
Chondrostereum purpureum
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
|
|
Dwarf Mistletoes
Arceuthobium laricis (rare host)
Arceuthobium tsugense (secondary host)
|
Conifer Needle Diseases
Delphinella abietis
Delphinella balsameae
Herpotrichia juniperi
|
[
Top ]
Amabilis Fir
(
Abies amabilis Douglas ex Forbes)
|
Heart Rots
Ceriporiopsis rivulosa
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Laetiporus sulphureus
Perenniporia subacida
Phellinus hartigii
Phellinus pini
Stereum sanguinolentum
Veluticeps fimbriata
|
Conifer Rust Diseases
Stem and Broom
Melampsorella caryophyllacearum
Needle
Melampsora epitea
Melampsora abieti-capraearum
Pucciniastrum epilobii
|
|
Sap Rots
Chondrostereum purpureum
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Phaeolus schweinitzii
Phellinus weirii
|
|
Conifer Needle Diseases
Herpotrichia juniperi
|
Dwarf Mistletoes
Arceuthobium tsugense (primary host)
|
[
Top ]
Grand Fir (Balsam)
(
Abies grandis (Douglas ex D. Don) Lindl.)
|
Root Diseases
Armillaria ostoyae (interior)
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Leptographium wageneri
Phaeolus schweinitzii
Phellinus weirii (coast)
Rhizina undulata
Conifer Needle Diseases
Herpotrichia juniperi
|
Heart Rots
Ceriporiopsis rivulosa
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Ganoderma applanatum
Hericium abietis
Laetiporus sulphureus
Perenniporia subacida
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
|
|
Conifer Rust Diseases
Stem and Broom
Melampsorella caryophyllacearum
Needle
Melampsora albertensis (inoculation. only)
Melampsora epitea
Melampsora abieti-capraearum
Pucciniastrum epilobii
|
Sap Rots
Chondrostereum purpureum
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
Dwarf Mistletoes
Arceuthobium douglasii (rare host)
Arceuthobium laricis (rare host)
Arceuthobium tsugense (rare host)
|
[
Top ]
Western Larch
(
Larix occidentalis Nutt.)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Phaeolus schweinitzii
Phellinus weirii (interior)
Rhizina undulata
|
Heart Rots
Ceriporiopsis rivulosa
Echinodontium tinctorium
Fomitopsis officinalis
Fomitopsis pinicola
Laetiporus sulphureus
Perenniporia subacida
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
|
|
Sap Rots
Cryptoporus volvatus
Gleophyllum sepiarium
Trichaptum abietinum
Canker Diseases
Diaporthe lokoyae
|
Conifer Rust Diseases
Needle
Melampsora albertensis
Melampsora epitea
Melampsora paradoxa
Melampsora occidentalis (inoculation. only)
|
|
Dwarf Mistletoes
Arceuthobium laricis (primary host)
|
Conifer Needle Diseases
Hypodermella laricis
Meria laricis
|
[
Top ]
Western Redcedar
(
Thuja plicata Donn
ex D. Don)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Heterobasidion annosum
Inonotus tomentosus
Phaeolus schweinitzii
Phellinus weirii(cedar form - interior)
Rhizina undulata
Canker Diseases
Diaporthe lokoyae
|
Heart Rots
Ceriporiopsis rivulosa
Fomitopsis pinicola
Ganoderma applanatum
Laetiporus sulphureus
Perenniporia subacida (coast)
Phellinus pini
Postia sericeomollis
Stereum sanguinolentum
Veluticeps fimbriata
|
|
Sap Rots
Chondrostereum purpureum
Gleophyllum sepiarium
Trichaptum abietinum
|
Conifer Needle Diseases
Didymascella thujina
Herpotrichia juniperi
|
[
Top ]
Yellow cedar
(
Chamaecyparis nootkaensis (D. Don) Spach)
|
Root Diseases
Armillaria ostoyae
Armillaria sinapina
Phellinus weirii (cedar form)
|
Heart Rots
Fomitopsis pinicola
Phellinus pini
Postia sericeomollis
|
|
Sap Rots
Gleophyllum sepiarium
|
Conifer Needle Diseases
Herpotrichia juniperi
|