Black Crystalwort vs koala

Riccia nigrella compared with Phascolarctos cinereus

Key Differences

• Black Crystalwort is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Black Crystalwort	koala
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Marchantiophyta (liverwort)	Chordata (Chordates)
Class	Marchantiopsida (Marchantiopsida)	Mammalia (Mammals)
Order	Marchantiales (Marchantiales)	Diprotodontia (Marsupials)
Family	Ricciaceae	Phascolarctidae (Koalas)
Genus	Riccia	Phascolarctos (Koalas)
Species	Riccia nigrella	Phascolarctos cinereus

Conservation Status

Black Crystalwort

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Black Crystalwort	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Black Crystalwort

Habitat

Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region.

Range

Distributed across Chile, Japan, New Zealand, Norway, and Portugal.

koala

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Black Crystalwort

The Black Crystalwort (Riccia nigrella) is a species in the genus Riccia. Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region. Distributed across Chile, Japan, New Zealand, Norway, and Portugal.

koala

Iconic marsupial of eastern and southeastern Australia, koalas weigh up to 15 kg and spend up to 22 hours daily sleeping to conserve energy from their low-calorie eucalyptus leaf diet. Highly specialized to process toxic eucalyptus compounds that would kill most other mammals, they have gut microbiomes uniquely adapted for detoxification. Listed as Endangered in 2022, with populations decimated by chlamydia disease, habitat clearing, and climate change.