Black Knapweed vs Brown Slender Toad

Centaurea nigra compared with Ansonia leptopus

Key Differences

• Black Knapweed is Not Evaluated while Brown Slender Toad is Least Concern.

Taxonomic Classification

Rank	Black Knapweed	Brown Slender Toad
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Amphibia (Amphibians)
Order	Asterales (Daisies & Sunflowers)	Anura (Frogs & Toads)
Family	Asteraceae (Daisy Family)	Bufonidae
Genus	Centaurea	Ansonia
Species	Centaurea nigra	Ansonia leptopus

Conservation Status

Black Knapweed

NE — Not Evaluated

Brown Slender Toad

LC — Least Concern

Physical Characteristics

Attribute	Black Knapweed	Brown Slender Toad
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Knapweed

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Japan), Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

Brown Slender Toad

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Black Knapweed

The Black Knapweed (Centaurea nigra) is a species in the genus Centaurea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Its geographic range spans Widely distributed across Asia (Japan), Europe (7 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Chile).

Brown Slender Toad

The Brown Slender Toad (Ansonia leptopus) is a species in the genus Ansonia. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.