brittlestar vs Brown Knapweed

Amphiura chiajei compared with Centaurea jacea

Taxonomic Classification

Rank	brittlestar	Brown Knapweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Echinodermata (Echinoderms)	Magnoliophyta (Flowering Plants)
Class	Ophiuroidea (Ophiuroidea)	Magnoliopsida (Dicots)
Order	Amphilepidida (Amphilepidida)	Asterales (Daisies & Sunflowers)
Family	Amphiuridae	Asteraceae (Daisy Family)
Genus	Amphiura	Centaurea
Species	Amphiura chiajei	Centaurea jacea

Conservation Status

brittlestar

LC — Least Concern

Brown Knapweed

LC — Least Concern

Physical Characteristics

Attribute	brittlestar	Brown Knapweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Brown Knapweed

Habitat

Inhabits deserts and xeric shrublands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Japan, Tajikistan), Europe (9 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Argentina, Chile).

brittlestar

The Brittlestar (Amphiura chiajei) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Brown Knapweed

The Brown Knapweed (Centaurea jacea) is a species in the genus Centaurea. It is currently classified as Least Concern on the IUCN Red List. Inhabits deserts and xeric shrublands within the Palearctic biogeographic realm.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden