Branched Pixie-Cup Lichen vs common grey sea slug

Cladonia ramulosa compared with Aeolidia papillosa

Taxonomic Classification

Rank	Branched Pixie-Cup Lichen	common grey sea slug
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Mollusca (Mollusks)
Class	Lecanoromycetes (Lecanoromycetes)	Gastropoda (Gastropoda)
Order	Lecanorales (Lecanorales)	Nudibranchia (Nudibranchia)
Family	Cladoniaceae	Aeolidiidae
Genus	Cladonia	Aeolidia
Species	Cladonia ramulosa	Aeolidia papillosa

Conservation Status

Branched Pixie-Cup Lichen

LC — Least Concern

common grey sea slug

LC — Least Concern

Physical Characteristics

Attribute	Branched Pixie-Cup Lichen	common grey sea slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Branched Pixie-Cup Lichen

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Brazil, Colombia).

common grey sea slug

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Chile, Denmark, Norway, and Sweden.

Branched Pixie-Cup Lichen

The Branched pixie-cup lichen (Cladonia ramulosa) is a species in the genus Cladonia. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

common grey sea slug

<em>Aeolidia papillosa</em>, commonly known as the common grey sea slug, is a nudibranch mollusc belonging to the genus Aeolidia within the family Aeolidiidae. Despite the species name referencing terrestrial and aquatic habitats including forests and freshwater, <em>Aeolidia papillosa</em> is primarily a marine organism. Its range includes Belgium, Chile, Denmark, Norway, and Sweden, indicating a distribution across the North Atlantic and into South American waters. Common grey sea slug is assessed as Least Concern on the IUCN Red List. The species is typically found in intertidal and subtidal zones, where it preys on sea anemones and stores stinging cells from its prey in its dorsal cerata for defense. Biological traits of this species remain poorly documented in the scientific literature.