Boneset Map Lichen vs Laysan Duck

Rhizocarpon eupetraeum compared with Anas laysanensis

Key Differences

Boneset Map Lichen is Extinct while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Boneset Map Lichen	Laysan Duck
Kingdom	Fungi (เห็ดรา)	Animalia (สัตว์)
Phylum	Ascomycota (Sac Fungi)	Chordata (สัตว์มีแกนสันหลัง)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (นก)
Order	Rhizocarpales (Rhizocarpales)	Anseriformes (อันดับห่าน)
Family	Rhizocarpaceae	Anatidae
Genus	Rhizocarpon	Anas
Species	Rhizocarpon eupetraeum	Anas laysanensis

Conservation Status

Boneset Map Lichen

EX — Extinct

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Boneset Map Lichen	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boneset Map Lichen

Habitat

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

Range

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

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Boneset Map Lichen

The Boneset Map Lichen (Rhizocarpon eupetraeum) is a species in the genus Rhizocarpon. It is currently classified as Extinct on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.