Grounded Oysterling vs Variable Oysterling

Crepidotus autochthonus compared with Crepidotus variabilis

Key Differences

• Grounded Oysterling is Vulnerable while Variable Oysterling is Least Concern.

Taxonomic Classification

Rank	Grounded Oysterling	Variable Oysterling
Kingdom same	Fungi (Fungi)	Fungi (Fungi)
Phylum same	Basidiomycota (Club Fungi)	Basidiomycota (Club Fungi)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Agaricales (Gilled Mushrooms)	Agaricales (Gilled Mushrooms)
Family same	Crepidotaceae	Crepidotaceae
Genus same	Crepidotus	Crepidotus
Species	Crepidotus autochthonus	Crepidotus variabilis

Evolutionary Relationship

Grounded Oysterling and Variable Oysterling share a common ancestor at the Genus level: Crepidotus.

Conservation Status

Grounded Oysterling

VU — Vulnerable

Variable Oysterling

LC — Least Concern

Physical Characteristics

Attribute	Grounded Oysterling	Variable Oysterling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grounded Oysterling

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Variable Oysterling

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Shared Countries

Both species can be found in 4 countries:

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