Birch Bristle Bracket vs small tortoiseshell

Phellinus lundellii compared with Aglais urticae

Key Differences

Birch Bristle Bracket is Critically Endangered while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Birch Bristle Bracket	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Hymenochaetales (Hymenochaetales)	Lepidoptera (Butterflies & Moths)
Family	Hymenochaetaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Phellinus	Aglais
Species	Phellinus lundellii	Aglais urticae

Conservation Status

Birch Bristle Bracket

CR — Critically Endangered

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Birch Bristle Bracket	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Bristle Bracket

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

Range

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

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Birch Bristle Bracket

The Birch Bristle Bracket (Phellinus lundellii) is a species in the genus Phellinus. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm.

small tortoiseshell

small tortoiseshell (Aglais urticae) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.