Bitter Bolete vs Harmless Serotine

Tylopilus felleus compared with Eptesicus innoxius

Key Differences

• Bitter Bolete is Least Concern while Harmless Serotine is Near Threatened.

Taxonomic Classification

Rank	Bitter Bolete	Harmless Serotine
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Boletales (Boletales)	Chiroptera (Bats)
Family	Boletaceae	Vespertilionidae
Genus	Tylopilus	Eptesicus
Species	Tylopilus felleus	Eptesicus innoxius

Conservation Status

Bitter Bolete

LC — Least Concern

Harmless Serotine

NT — Near Threatened

Physical Characteristics

Attribute	Bitter Bolete	Harmless Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bitter Bolete

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Bitter Bolete

The Bitter Bolete (Tylopilus felleus) is a species in the genus Tylopilus. It is currently classified as Least Concern on the IUCN Red List. Typically found in forest floors, decomposing wood, and soil ecosystems.