Phylum: Basidiomycota Class: Agaricomycetes
Order: Russulales Family: Bondarzewiaceae
Species: Heterobasidion annosum (Fr.) Bref.
Synonyms: Boletus cryptarum
Cunninghamella meineckella
Fomes annosus
Fomes cryptarum
Fomitopsis annosa
Polyporus annosus
Polyporus cryptarum
Polyporus scoticus
Polyporus scoticus f. subterranea
Polyporus scoticus forma subterranea
Polyporus subpileatus
Polystictus cryptarum
Poria cryptarum
Spiniger meineckellus
Common Name: Root Rot

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Heterobasidion annosum

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Associated Species (where recorded) & number of records:
Picea sitchensis (11)
Picea abies (5)
Pinus sylvestris (5)
Pinus (3)
Coniferophyta (1)
Quercus petraea (1)
Picea (1)
Larix decidua (1)
Fagus sylvatica (1)
Betula (1)
Fraxinus excelsior (1)
Habitat (where recorded) & number of records:
Woodland: coniferous, plantation (6)
Woodland: mixed (6)
Woodland: mixed, plantation, high forest (4)
Woodland (3)
Neutral grassland: semi-improved (2)
Parkland and scattered trees (2)
Woodland: mixed, plantation (2)
Built up area, domestic (1)
Parkland and scattered trees: mixed (1)
Woodland: broadleaved (1)
Woodland: broadleaved, plantation (1)
Woodland: broadleaved, semi-natural (1)
Woodland: mixed, semi-natural (1)
Substrate (where recorded) & number of records:
Tree (12)
Stump (10)
Fallen Tree (3)
Castanea sativa (2)
Quercus rubra (2)
Root (2)
Soil (2)
Soil Needle (2)
wood (2)
Larch (Larix) (1)
Log (1)
Standing Dead Tree (1)
trunk, live (1)
Months recorded in & number of records:
January (1)
February (1)
April (2)
May (1)
June (2)
July (3)
August (11)
September (19)
October (17)
November (5)
December (2)