American red squirrel vs cavernous crystalwort

Tamiasciurus hudsonicus compared with Riccia cavernosa

Key Differences

• American red squirrel is Not Evaluated while cavernous crystalwort is Endangered.

Taxonomic Classification

Rank	American red squirrel	cavernous crystalwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Marchantiopsida (Marchantiopsida)
Order	Rodentia (Rodents)	Marchantiales (Marchantiales)
Family	Sciuridae (Squirrels)	Ricciaceae
Genus	Tamiasciurus	Riccia
Species	Tamiasciurus hudsonicus	Riccia cavernosa

Conservation Status

American red squirrel

NE — Not Evaluated

cavernous crystalwort

EN — Endangered

Physical Characteristics

Attribute	American red squirrel	cavernous crystalwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries) and North America (United States).

cavernous crystalwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

American red squirrel

The American red squirrel (Tamiasciurus hudsonicus) is a species in the genus Tamiasciurus. Typically found in diverse terrestrial and aquatic ecosystems.

cavernous crystalwort

The Cavernous crystalwort (Riccia cavernosa) is a species in the genus Riccia. It is currently classified as Endangered on the IUCN Red List. Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇺🇸 United States