Baytop's Onion vs Rock Foam

Allium baytopiorum compared with Stereocaulon saxatile

Key Differences

• Baytop's Onion is Critically Endangered while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Baytop's Onion	Rock Foam
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Liliopsida (Monocots)	Lecanoromycetes (Lecanoromycetes)
Order	Asparagales (Asparagales)	Lecanorales (Lecanorales)
Family	Amaryllidaceae	Stereocaulaceae
Genus	Allium	Stereocaulon
Species	Allium baytopiorum	Stereocaulon saxatile

Conservation Status

Baytop's Onion

CR — Critically Endangered

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Baytop's Onion	Rock Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Baytop's Onion

Habitat

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

Rock Foam

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Baytop's Onion

The Baytop's Onion (Allium baytopiorum) is a species in the genus Allium. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.