Black Knot vs Japanese Weasel

Apiosporina morbosa compared with Mustela itatsi

Key Differences

• Black Knot is Not Evaluated while Japanese Weasel is Near Threatened.

Taxonomic Classification

Rank	Black Knot	Japanese Weasel
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Dothideomycetes (Dothideomycetes)	Mammalia (Mammals)
Order	Venturiales (Venturiales)	Carnivora (Carnivorans)
Family	Venturiaceae	Mustelidae (Weasels & Otters)
Genus	Apiosporina	Mustela
Species	Apiosporina morbosa	Mustela itatsi

Conservation Status

Black Knot

NE — Not Evaluated

Japanese Weasel

NT — Near Threatened

Physical Characteristics

Attribute	Black Knot	Japanese Weasel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Knot

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and United States.

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Black Knot

The Black Knot (Apiosporina morbosa) is a species in the genus Apiosporina. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Its geographic range spans Distributed across Denmark, Norway, and United States.