Bear'S Head Tooth vs small tortoiseshell

Hericium americanum compared with Aglais urticae

Key Differences

Bear'S Head Tooth is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Bear'S Head Tooth	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Russulales (Russulales)	Lepidoptera (Butterflies & Moths)
Family	Hericiaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Hericium	Aglais
Species	Hericium americanum	Aglais urticae

Conservation Status

Bear'S Head Tooth

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Bear'S Head Tooth	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bear'S Head Tooth

Habitat

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

Range

Found in United States.

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.

Bear'S Head Tooth

The Bear'S Head Tooth (Hericium americanum) is a species in the genus Hericium. Typically found in forest floors, decomposing wood, and soil ecosystems.

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.