vs brittlestar

Bacidia rosella compared with Amphiura chiajei

Key Differences

is Critically Endangered while brittlestar is Least Concern.

Taxonomic Classification

Rank		brittlestar
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Echinodermata (Echinoderms)
Class	Lecanoromycetes (Lecanoromycetes)	Ophiuroidea (Ophiuroidea)
Order	Lecanorales (Lecanorales)	Amphilepidida (Amphilepidida)
Family	Ramalinaceae	Amphiuridae
Genus	Bacidia	Amphiura
Species	Bacidia rosella	Amphiura chiajei

Conservation Status

CR — Critically Endangered

brittlestar

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 5 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Bacidia rosella is a crustose lichen in the family Ramalinaceae, assessed as Critically Endangered (CR). It grows on the smooth bark of ancient trees in old-growth woodland habitats with long ecological continuity. Its critically endangered status reflects extreme rarity and the near-total loss of suitable veteran tree habitats across its range.

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.