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.

Jump Menu Index

Red Alder	Trembling Aspen	Bigleaf Maple
Birch	Cottonwood	Willow
Douglas-fir	Mountain Hemlock	Western Hemlock
Juniper	Lodgepole Pine	Ponderosa Pine
Western White Pine	Black Spruce	Engelmann Spruce
White Spruce	Sitka Spruce	Subalpine Fir
Amabilis Fir	Grand Fir (Balsam)	Western Larch
Western Redcedar	Yellow Cedar

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)

[ Top ]

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)

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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

[ Top ]

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

[ Top ]

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

[ Top ]

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