Asterisk Lichen vs Leatherback Sea Turtle

Arthonia radiata compared with Dermochelys coriacea

Key Differences

Asterisk Lichen is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Asterisk Lichen	Leatherback Sea Turtle
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Arthoniomycetes (Arthoniomycetes)	Reptilia (Reptiles)
Order	Arthoniales (Arthoniales)	Testudines (Turtles & Tortoises)
Family	Arthoniaceae	Cheloniidae (Sea Turtles)
Genus	Arthonia	Chelonia (Green Sea Turtles)
Species	Arthonia radiata	Dermochelys coriacea

Conservation Status

Asterisk Lichen

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Asterisk Lichen	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Asterisk Lichen

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).

Leatherback Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Asterisk Lichen

The Asterisk Lichen (Arthonia radiata) is a species in the genus Arthonia. 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. Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia).