- Fungi Including Lichens
- ›Basidiomycete Fungi
- ›Higher Basidiomycetes
- ›Mushrooms, Bracket Fungi, Puffballs, and Allies
- ›Russulales
- ›Bondarzewiaceae
- ›Heterobasidion
Conifer-base Polypore
Heterobasidion annosum
Heterobasidion annosum is a basidiomycete fungus in the family Bondarzewiaceae. It is considered to be the most economically important forest pathogen in the Northern Hemisphere. Heterobasidion annosum is widespread in forests in the United States and is responsible for the loss of one billion U.S. dollars annually. This fungus has been known by many different names. Commonly, it is also known as annosum root rot. First described by Fries in 1821, it was known by the...
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
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Every page naming Heterobasidion annosum in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 194485.