Aspen Bracket vs Blunt-headed Salamander

Phellinus tremulae compared with Ambystoma amblycephalum

Key Differences

Aspen Bracket is Vulnerable while Blunt-headed Salamander is Critically Endangered.

Taxonomic Classification

Rank	Aspen Bracket	Blunt-headed Salamander
Kingdom	Fungi (грибы)	Animalia (животные)
Phylum	Basidiomycota (базидиомицеты)	Chordata (хордовые)
Class	Agaricomycetes (агарикомицеты)	Amphibia (земноводные)
Order	Hymenochaetales (Гименохетовые)	Caudata (хвостатые земноводные)
Family	Hymenochaetaceae	Ambystomatidae
Genus	Phellinus	Ambystoma
Species	Phellinus tremulae	Ambystoma amblycephalum

Conservation Status

Aspen Bracket

VU — Vulnerable

Blunt-headed Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Aspen Bracket	Blunt-headed Salamander
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.

Blunt-headed Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Blunt-headed Salamander

The Blunt-headed Salamander (Ambystoma amblycephalum) is a species in the genus Ambystoma. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo