Willow Bracket
George Chernilevsky / Public domain

Fungus · Hymenochaetaceae

Willow Bracket

Phellinus igniarius

Facts

Habitat
Living trunks of Aspen, Poplar, and Willow in wet woodland and riparian margins
Substrate
Parasitic, causes white heart rot in living hardwood

Ecological relationships

Parasitises

  • AspenPopulus tremula

    A primary heart-rot pathogen of living Aspen, creating decay columns that are subsequently excavated by woodpeckers as nest cavities. A documented fungus → bird facilitation chain.

Grows on

  • Silver BirchBetula pendula

    Common perennial bracket on older Birch, contributing to standing deadwood habitat on which many saproxylic species depend.