false pepperwort vs Laysan Duck

Marsilea crenata compared with Anas laysanensis

Key Differences

• false pepperwort is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	false pepperwort	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Aves (Birds)
Order	Salviniales (Salviniales)	Anseriformes (Anseriformes)
Family	Marsileaceae	Anatidae
Genus	Marsilea	Anas
Species	Marsilea crenata	Anas laysanensis

Conservation Status

false pepperwort

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	false pepperwort	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

false pepperwort

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.