Baytop's Onion vs Comandra Blister Rust

Allium baytopiorum compared with Cronartium comandrae

Key Differences

• Baytop's Onion is Critically Endangered while Comandra Blister Rust is Not Evaluated.

Taxonomic Classification

Rank	Baytop's Onion	Comandra Blister Rust
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Liliopsida (Monocots)	Pucciniomycetes (Pucciniomycetes)
Order	Asparagales (Asparagales)	Pucciniales (Pucciniales)
Family	Amaryllidaceae	Cronartiaceae
Genus	Allium	Cronartium
Species	Allium baytopiorum	Cronartium comandrae

Conservation Status

Baytop's Onion

CR — Critically Endangered

Comandra Blister Rust

NE — Not Evaluated

Physical Characteristics

Attribute	Baytop's Onion	Comandra Blister Rust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Baytop's Onion

Habitat

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

Comandra Blister Rust

Habitat

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

Range

Distributed across Norway and United States.

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.

Comandra Blister Rust

<em>Cronartium comandrae</em>, known as comandra blister rust, is a parasitic fungal pathogen in the family Cronartiaceae that alternates between two unrelated host plants to complete its life cycle. The fungus infects coniferous trees, particularly pine species, during one phase of its development, causing characteristic blister-like galls on branches and stems that can girdle and kill infected tissues. The alternate host is typically comandra (<em>Comandra umbellata</em>), a parasitic flowering plant. On pine hosts, the rust forms orange or yellow spore masses during the aecial stage, releasing spores that infect comandra plants, where urediniospores and teliospores are subsequently produced. The species is distributed wherever its dual hosts co-occur across North America and parts of Eurasia. It can cause economically significant damage to pine plantations and natural forest stands. No quantitative biological metrics are recorded for this species.