Altai Onion vs Cinnabar Oysterling

Allium altaicum compared with Crepidotus cinnabarinus

Key Differences

• Altai Onion is Near Threatened while Cinnabar Oysterling is Vulnerable.

Taxonomic Classification

Rank	Altai Onion	Cinnabar Oysterling
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Liliopsida (Monocots)	Agaricomycetes (Mushrooms)
Order	Asparagales (Asparagales)	Agaricales (Gilled Mushrooms)
Family	Amaryllidaceae	Crepidotaceae
Genus	Allium	Crepidotus
Species	Allium altaicum	Crepidotus cinnabarinus

Conservation Status

Altai Onion

NT — Near Threatened

Cinnabar Oysterling

VU — Vulnerable

Physical Characteristics

Attribute	Altai Onion	Cinnabar Oysterling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai Onion

Habitat

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

Cinnabar Oysterling

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Cinnabar Oysterling

Cinnabar oysterling (Crepidotus cinnabarinus) is a brightly colored bracket fungus in the family Crepidotaceae, found in Europe and North America, typically on dead deciduous wood including fallen logs, branches, and stumps in humid woodland settings. It is one of the more visually distinctive members of the genus, with vivid orange-red to cinnabar-red fruiting bodies—far more colorful than most Crepidotus species, which are typically pale and inconspicuous. The fruiting bodies are small, fan-shaped to kidney-shaped caps with a lateral attachment to the substrate, white gills that become pinkish-brown as spores mature, and no stalk. Crepidotus cinnabarinus is classified as Vulnerable, reflecting population declines associated with the loss of dead wood habitat in managed forests across Europe and parts of North America. Saproxylic fungi of this type depend on old-growth or mature woodland conditions with abundant coarse woody debris. Intensive forest management that removes deadwood and fallen logs significantly reduces habitat quality. The species is found in old-growth deciduous forest remnants and is an indicator of high conservation value woodland. Conservation measures include the retention of deadwood during forestry operations and the protection of ancient and veteran trees. Its striking coloration makes it a memorable indicator species for woodland ecologists.