Old Man'S Beard Lichen vs Plateau Pika

Usnea barbata compared with Ochotona curzoniae

Key Differences

• Old Man'S Beard Lichen is Extinct while Plateau Pika is Least Concern.

Taxonomic Classification

Rank	Old Man'S Beard Lichen	Plateau Pika
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Lagomorpha (Rabbits & Hares)
Family	Parmeliaceae	Ochotonidae
Genus	Usnea	Ochotona
Species	Usnea barbata	Ochotona curzoniae

Conservation Status

Old Man'S Beard Lichen

EX — Extinct

Plateau Pika

LC — Least Concern

Physical Characteristics

Attribute	Old Man'S Beard Lichen	Plateau Pika
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Old Man'S Beard Lichen

Habitat

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

Range

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

Plateau Pika

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.