Alpine Knapweed vs Axehead Orange

Centaurea nigrescens compared with Acada biseriatus

Key Differences

• Alpine Knapweed is Not Evaluated while Axehead Orange is Least Concern.

Taxonomic Classification

Rank	Alpine Knapweed	Axehead Orange
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Arthropoda (Arthropods)
Class	Magnoliopsida (Dicots)	Insecta (Insects)
Order	Asterales (Daisies & Sunflowers)	Lepidoptera (Butterflies & Moths)
Family	Asteraceae (Daisy Family)	Hesperiidae
Genus	Centaurea	Acada
Species	Centaurea nigrescens	Acada biseriatus

Conservation Status

Alpine Knapweed

NE — Not Evaluated

Axehead Orange

LC — Least Concern

Physical Characteristics

Attribute	Alpine Knapweed	Axehead Orange
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Knapweed

Habitat

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

Range

Widely distributed across Europe (11 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

Axehead Orange

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Alpine Knapweed

The Alpine Knapweed (Centaurea nigrescens) is a species in the genus Centaurea. Typically found in diverse terrestrial habitats from tropical forests to temperate regions. Widely distributed across Europe (11 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

Axehead Orange

The Axehead Orange (Acada biseriatus) is a species in the genus Acada. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.