Crescent Map Lichen vs Foca de Casco

Rhizocarpon lecanorinum compared with Cystophora cristata

Key Differences

• Crescent Map Lichen is Least Concern while Foca de Casco is Endangered.

Taxonomic Classification

Rank	Crescent Map Lichen	Foca de Casco
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (cordados)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (mamíferos)
Order	Rhizocarpales (Rhizocarpales)	Pinnipedia (Seals & Sea Lions)
Family	Rhizocarpaceae	Phocidae (True Seals)
Genus	Rhizocarpon	Cystophora
Species	Rhizocarpon lecanorinum	Cystophora cristata

Conservation Status

Crescent Map Lichen

LC — Least Concern

Foca de Casco

EN — Endangered

Physical Characteristics

Attribute	Crescent Map Lichen	Foca de Casco
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Crescent Map Lichen

Habitat

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

Range

Distributed across Colombia, Denmark, Norway, Sweden, and United States.

Foca de Casco

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇳🇴 Norway