Appalachian Quillwort vs koala

Isoetes engelmannii compared with Phascolarctos cinereus

Key Differences

• Appalachian Quillwort is Least Concern while koala is Vulnerable.

Taxonomic Classification

Rank	Appalachian Quillwort	koala
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Lycopodiopsida (Lycopodiopsida)	Mammalia (Mammals)
Order	Isoetales (Isoetales)	Diprotodontia (Marsupials)
Family	Isoetaceae	Phascolarctidae (Koalas)
Genus	Isoetes	Phascolarctos (Koalas)
Species	Isoetes engelmannii	Phascolarctos cinereus

Conservation Status

Appalachian Quillwort

LC — Least Concern

koala

VU — Vulnerable

Population: ~100.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Appalachian Quillwort

Habitat

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

Range

Distributed across Canada 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.

Appalachian Quillwort

The Appalachian Quillwort (Isoetes engelmannii) is a species in the genus Isoetes. It is currently classified as Least Concern on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.

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.