Birch Marble vs Gassy Webcap

Apotomis betuletana compared with Cortinarius traganus

Key Differences

• Birch Marble is Least Concern while Gassy Webcap is Vulnerable.

Taxonomic Classification

Rank	Birch Marble	Gassy Webcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Lepidoptera (Butterflies & Moths)	Agaricales (Gilled Mushrooms)
Family	Tortricidae	Cortinariaceae
Genus	Apotomis	Cortinarius
Species	Apotomis betuletana	Cortinarius traganus

Conservation Status

Birch Marble

LC — Least Concern

Gassy Webcap

VU — Vulnerable

Physical Characteristics

Attribute	Birch Marble	Gassy Webcap
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Marble

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Birch Marble

The Birch Marble (Apotomis betuletana) is a species in the genus Apotomis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden