cavernous crystalwort vs koala

Riccia cavernosa compared with Phascolarctos cinereus

Key Differences

• cavernous crystalwort is Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	cavernous crystalwort	koala
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Marchantiophyta (地钱门)	Chordata (脊索动物门)
Class	Marchantiopsida (地钱纲)	Mammalia (哺乳動物)
Order	Marchantiales (地钱目)	Diprotodontia (雙門齒目)
Family	Ricciaceae	Phascolarctidae (Koalas)
Genus	Riccia	Phascolarctos (Koalas)
Species	Riccia cavernosa	Phascolarctos cinereus

Conservation Status

cavernous crystalwort

EN — Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	cavernous crystalwort	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

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.

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.

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.

koala

澳大利亚东部和东南部的标志性有袋类动物，体重最大可达15千克，为了节省低热量桉树叶食物所提供的能量，每天最多睡眠22小时。高度特化，能够处理会致大多数其他哺乳动物死亡的有毒桉树成分，拥有专门适应解毒功能的肠道微生物群。因衣原体病、栖息地开发和气候变化导致种群锐减，2022年被列为濒危物种。