Old Man'S Beard Lichen vs Pacific Spiny-rat

Usnea barbata compared with Proechimys decumanus

Key Differences

• Old Man'S Beard Lichen is Extinct while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Old Man'S Beard Lichen	Pacific Spiny-rat
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Lecanoromycetes (Lecanoromycetes)	Mammalia (Mammals)
Order	Lecanorales (Lecanorales)	Rodentia (Rodents)
Family	Parmeliaceae	Echimyidae
Genus	Usnea	Proechimys
Species	Usnea barbata	Proechimys decumanus

Conservation Status

Old Man'S Beard Lichen

EX — Extinct

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Old Man'S Beard Lichen	Pacific Spiny-rat
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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.