Atlantic Gray Seal vs Black Stone Flower

Halichoerus grypus compared with Parmotrema perlatum

Key Differences

• Atlantic Gray Seal is Vulnerable while Black Stone Flower is Least Concern.

Taxonomic Classification

Rank	Atlantic Gray Seal	Black Stone Flower
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Pinnipedia (Seals & Sea Lions)	Lecanorales (Lecanorales)
Family	Phocidae (True Seals)	Parmeliaceae
Genus	Halichoerus	Parmotrema
Species	Halichoerus grypus	Parmotrema perlatum

Conservation Status

Atlantic Gray Seal

VU — Vulnerable

Black Stone Flower

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Gray Seal	Black Stone Flower
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Gray Seal

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

Black Stone Flower

Habitat

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

Range

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

Atlantic Gray Seal

The Atlantic Gray Seal (Halichoerus grypus) is a species in the genus Halichoerus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Black Stone Flower

The Black Stone Flower (Parmotrema perlatum) is a species in the genus Parmotrema. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden