Marram Oyster vs Shoehorn Oyster

Hohenbuehelia culmicola compared with Hohenbuehelia petaloides

Key Differences

• Marram Oyster is Data Deficient while Shoehorn Oyster is Endangered.

Taxonomic Classification

Rank	Marram Oyster	Shoehorn Oyster
Kingdom same	Fungi (菌界)	Fungi (菌界)
Phylum same	Basidiomycota (担子菌門)	Basidiomycota (担子菌門)
Class same	Agaricomycetes (真正担子菌綱)	Agaricomycetes (真正担子菌綱)
Order same	Agaricales (ハラタケ目)	Agaricales (ハラタケ目)
Family same	Pleurotaceae	Pleurotaceae
Genus same	Hohenbuehelia	Hohenbuehelia
Species	Hohenbuehelia culmicola	Hohenbuehelia petaloides

Evolutionary Relationship

Marram Oyster and Shoehorn Oyster share a common ancestor at the Genus level: Hohenbuehelia.

Conservation Status

Marram Oyster

DD — Data Deficient

Shoehorn Oyster

EN — Endangered

Physical Characteristics

Attribute	Marram Oyster	Shoehorn Oyster
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Marram Oyster

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Shoehorn Oyster

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 4 countries:

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