Marsh Webcap vs small tortoiseshell

Cortinarius uliginosus compared with Aglais urticae

Key Differences

• Marsh Webcap is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Marsh Webcap	small tortoiseshell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Agaricales (Gilled Mushrooms)	Lepidoptera (Butterflies & Moths)
Family	Cortinariaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Cortinarius	Aglais
Species	Cortinarius uliginosus	Aglais urticae

Conservation Status

Marsh Webcap

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Marsh Webcap	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Marsh Webcap

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden