Gassy Webcap vs small tortoiseshell

Cortinarius traganus compared with Aglais urticae

Key Differences

• Gassy Webcap is Vulnerable while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Gassy Webcap	small tortoiseshell
Kingdom	Fungi (फफूंद)	Animalia (प्राणी)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (सन्धिपाद)
Class	Agaricomycetes (Mushrooms)	Insecta (कीट)
Order	Agaricales (Gilled Mushrooms)	Lepidoptera (शल्कपंखी गण)
Family	Cortinariaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Cortinarius	Aglais
Species	Cortinarius traganus	Aglais urticae

Conservation Status

Gassy Webcap

VU — Vulnerable

small tortoiseshell

NT — Near Threatened

Physical Characteristics

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

Habitat & Geographic Range

Gassy Webcap

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, Taiwan, and United States. Currently classified as Vulnerable 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.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden