Altai Onion vs Compressed Flapwort

Allium altaicum compared with Nardia compressa

Key Differences

• Altai Onion is Near Threatened while Compressed Flapwort is Least Concern.

Taxonomic Classification

Rank	Altai Onion	Compressed Flapwort
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Marchantiophyta (liverwort)
Class	Liliopsida (Monocots)	Jungermanniopsida (Jungermanniopsida)
Order	Asparagales (Asparagales)	Jungermanniales (Jungermanniales)
Family	Amaryllidaceae	Gymnomitriaceae
Genus	Allium	Nardia
Species	Allium altaicum	Nardia compressa

Evolutionary Relationship

Altai Onion and Compressed Flapwort share a common ancestor at the Kingdom level: Plantae. (Plants)

Conservation Status

Altai Onion

NT — Near Threatened

Compressed Flapwort

LC — Least Concern

Physical Characteristics

Attribute	Altai Onion	Compressed Flapwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai Onion

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Compressed Flapwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Sweden.

Altai Onion

The Altai Onion (Allium altaicum) is a species in the genus Allium. It is currently classified as Near Threatened on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Compressed Flapwort

<em>Nardia compressa</em>, commonly called the Compressed Flapwort, is a leafy liverwort in the family Jungermanniaceae, a lineage of non-vascular land plants (division Marchantiophyta) that diverged from other embryophytes over 400 million years ago. This small, mat-forming bryophyte typically colonizes moist, acidic substrates along stream banks, seepages, and wet rock faces in cool-temperate habitats throughout Europe. Its flattened, overlapping leaves give the plant a compressed appearance, which inspired both its common and scientific names. Like all liverworts, <em>Nardia compressa</em> lacks true vascular tissue and absorbs water and nutrients directly through its leaf surfaces, deriving energy through photosynthesis rather than heterotrophic feeding. The species has been recorded in Belgium, Norway, and Sweden, suggesting an affinity for the moist, boreal and Atlantic climatic zones of northwestern and northern Europe. It is currently assessed as Least Concern by the IUCN, indicating no immediate extinction risk across its known range. Biological traits including individual lifespan, reproductive rates, and specific growth measurements remain poorly documented relative to vascular plant species, though liverworts are generally slow-growing perennial organisms tightly dependent on stable moisture regimes.