Common Three-Seeded Mercury vs koala

Acalypha rhomboidea compared with Phascolarctos cinereus

Key Differences

• Common Three-Seeded Mercury is Not Evaluated while koala is Vulnerable.

Taxonomic Classification

Rank	Common Three-Seeded Mercury	koala
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Magnoliophyta (木兰植物门)	Chordata (脊索动物门)
Class	Magnoliopsida (木兰纲)	Mammalia (哺乳動物)
Order	Malpighiales (金虎尾目)	Diprotodontia (雙門齒目)
Family	Euphorbiaceae	Phascolarctidae (Koalas)
Genus	Acalypha	Phascolarctos (Koalas)
Species	Acalypha rhomboidea	Phascolarctos cinereus

Conservation Status

Common Three-Seeded Mercury

NE — Not Evaluated

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Three-Seeded Mercury	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Common Three-Seeded Mercury

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, Canada, Portugal, and United States.

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.

Common Three-Seeded Mercury

<em>Acalypha rhomboidea</em>, the common three-seeded mercury, is an annual herbaceous plant in the family Euphorbiaceae, native to eastern North America and recorded from Belgium, Canada, Portugal, and the United States. It is Not Evaluated on the IUCN Red List. The plant is a common weed of disturbed habitats, cultivated fields, gardens, roadsides, and forest edges, typically growing in moist, nitrogen-rich soils. It bears rhombic to ovate leaves and small, inconspicuous flowers arranged in slender spikes, with the name reflecting the typically three-seeded fruits. As a wind-pollinated annual, it produces abundant small seeds that disperse readily. The plant has a relatively short growing season, germinating in late spring, setting seed by late summer, and senescing by autumn. It has no significant economic value but contributes to local biodiversity as a host plant for certain herbivorous insects. Biological traits such as precise plant height range, seed output, and biomass data remain poorly documented in standardized scientific assessments.

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。