Bristlelike Quillwort vs koala

Isoetes echinospora compared with Phascolarctos cinereus

Key Differences

Bristlelike Quillwort is Critically Endangered while koala is Vulnerable.

Taxonomic Classification

Rank	Bristlelike Quillwort	koala
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Tracheophyta	Chordata (脊索動物)
Class	Lycopodiopsida (ヒカゲノカズラ綱)	Mammalia (哺乳類)
Order	Isoetales (Isoetales)	Diprotodontia (カンガルー目)
Family	Isoetaceae	Phascolarctidae (Koalas)
Genus	Isoetes	Phascolarctos (Koalas)
Species	Isoetes echinospora	Phascolarctos cinereus

Conservation Status

Bristlelike Quillwort

CR — Critically Endangered

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bristlelike Quillwort	koala
Diet	—	Herbivore
Average Lifespan	—	15 years
Average Length	—	75 cm
Average Weight	—	10.0 kg

Habitat & Geographic Range

Bristlelike Quillwort

Habitat

Inhabits temperate broadleaf and mixed forests and boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Critically 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.

Bristlelike Quillwort

The Bristlelike Quillwort (Isoetes echinospora) is a species in the genus Isoetes. It is currently classified as Critically Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

koala

オーストラリア東部・南東部を代表する有袋類で、体重は最大15kgに達し、低カロリーのユーカリの葉食から得るエネルギーを節約するために1日最大22時間を睡眠に費やす。他の哺乳類の多くを死に至らしめる有毒なユーカリ成分を処理するために高度に特化しており、解毒に特別に適応した腸内微生物叢を持つ。クラミジア感染症、生息地の伐採、気候変動により個体数が激減し、2022年に絶滅危惧種に指定された。