Bitter Knight vs Yellowing Knight

Tricholoma acerbum compared with Tricholoma scalpturatum

Key Differences

• Bitter Knight is Endangered while Yellowing Knight is Least Concern.

Taxonomic Classification

Rank	Bitter Knight	Yellowing Knight
Kingdom same	Fungi (เห็ดรา)	Fungi (เห็ดรา)
Phylum same	Basidiomycota (Club Fungi)	Basidiomycota (Club Fungi)
Class same	Agaricomycetes (Mushrooms)	Agaricomycetes (Mushrooms)
Order same	Agaricales (Gilled Mushrooms)	Agaricales (Gilled Mushrooms)
Family same	Tricholomataceae	Tricholomataceae
Genus same	Tricholoma	Tricholoma
Species	Tricholoma acerbum	Tricholoma scalpturatum

Evolutionary Relationship

Bitter Knight and Yellowing Knight share a common ancestor at the Genus level: Tricholoma.

Conservation Status

Bitter Knight

EN — Endangered

Yellowing Knight

LC — Least Concern

Physical Characteristics

Attribute	Bitter Knight	Yellowing Knight
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Knight

Habitat

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

Range

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

Yellowing Knight

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 (Chile).

Bitter Knight

The Bitter Knight (Tricholoma acerbum) is a species in the genus Tricholoma. It is currently classified as Endangered on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden