Aspen Bracket vs Willow Bracket

Phellinus tremulae compared with Phellinus igniarius

Key Differences

• Aspen Bracket is Vulnerable while Willow Bracket is Least Concern.

Taxonomic Classification

Rank	Aspen Bracket	Willow Bracket
Kingdom same	Fungi (菌界)	Fungi (菌界)
Phylum same	Basidiomycota (担子菌門)	Basidiomycota (担子菌門)
Class same	Agaricomycetes (真正担子菌綱)	Agaricomycetes (真正担子菌綱)
Order same	Hymenochaetales (Hymenochaetales)	Hymenochaetales (Hymenochaetales)
Family same	Hymenochaetaceae	Hymenochaetaceae
Genus same	Phellinus	Phellinus
Species	Phellinus tremulae	Phellinus igniarius

Evolutionary Relationship

Aspen Bracket and Willow Bracket share a common ancestor at the Genus level: Phellinus.

Conservation Status

Aspen Bracket

VU — Vulnerable

Willow Bracket

LC — Least Concern

Physical Characteristics

Attribute	Aspen Bracket	Willow Bracket
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aspen Bracket

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Willow Bracket

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States).

Aspen Bracket

The Aspen Bracket (Phellinus tremulae) is a species in the genus Phellinus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems. Distributed across Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States