Appalachian Shield Lichen vs Laysan Duck

Parmelia neodiscordans compared with Anas laysanensis

Key Differences

Appalachian Shield Lichen is Not Evaluated while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Appalachian Shield Lichen	Laysan Duck
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Aves (Birds)
Order	Lecanorales (Lecanorales)	Anseriformes (Anseriformes)
Family	Parmeliaceae	Anatidae
Genus	Parmelia	Anas
Species	Parmelia neodiscordans	Anas laysanensis

Conservation Status

Appalachian Shield Lichen

NE — Not Evaluated

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Appalachian Shield Lichen	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Appalachian Shield Lichen

Habitat

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

Range

Distributed across Norway 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.

Appalachian Shield Lichen

The Appalachian Shield Lichen (Parmelia neodiscordans) is a species in the genus Parmelia. 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.