Birch Blackhead vs California alder

Diatrypella favacea compared with Alnus rhombifolia

Taxonomic Classification

Rank	Birch Blackhead	California alder
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Sordariomycetes (Sordariomycetes)	Magnoliopsida (Dicots)
Order	Xylariales (Xylariales)	Fagales (Beeches & Oaks)
Family	Diatrypaceae	Betulaceae
Genus	Diatrypella	Alnus
Species	Diatrypella favacea	Alnus rhombifolia

Conservation Status

Birch Blackhead

LC — Least Concern

California alder

LC — Least Concern

Physical Characteristics

Attribute	Birch Blackhead	California alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birch Blackhead

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

California alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found in Canada.

Birch Blackhead

The Birch Blackhead (Diatrypella favacea) is a species in the genus Diatrypella. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

California alder

The California alder (Alnus rhombifolia) is a species in the genus Alnus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.