False Turkey-Tail vs small tortoiseshell

Stereum ostrea compared with Aglais urticae

Key Differences

• False Turkey-Tail is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	False Turkey-Tail	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	Stereaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Stereum	Aglais
Species	Stereum ostrea	Aglais urticae

Conservation Status

False Turkey-Tail

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	False Turkey-Tail	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

False Turkey-Tail

Habitat

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

Range

Distributed across Brazil, Norway, Portugal, Taiwan, and 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.

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.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal