Beard Lichen vs Green Sea Turtle

Usnea subscabrosa compared with Chelonia mydas

Key Differences

• Beard Lichen is Not Evaluated while Green Sea Turtle is Endangered.

Taxonomic Classification

Rank	Beard Lichen	Green Sea Turtle
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Reptilia (Reptiles)
Order	Lecanorales (Lecanorales)	Testudines (Turtles & Tortoises)
Family	Parmeliaceae	Cheloniidae (Sea Turtles)
Genus	Usnea	Chelonia (Green Sea Turtles)
Species	Usnea subscabrosa	Chelonia mydas

Conservation Status

Beard Lichen

NE — Not Evaluated

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Beard Lichen	Green Sea Turtle
Diet	—	Herbivore
Average Lifespan	—	80 years
Average Length	—	1.2 m
Average Weight	—	200.0 kg

Habitat & Geographic Range

Beard Lichen

Habitat

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

Range

Distributed across Norway, Portugal, and United States.

Green 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 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Beard Lichen

The Beard Lichen (Usnea subscabrosa) is a species in the genus Usnea. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Green Sea Turtle

The green sea turtle is one of the largest sea turtles. They are named for the green color of their cartilage and fat, not their shells.