Schwarzerle vs Pixie Foam

Alnus glutinosa compared with Stereocaulon pileatum

Key Differences

• Schwarzerle is Least Concern while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	Schwarzerle	Pixie Foam
Kingdom	Plantae (Pflanzen)	Fungi (Pilze)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Schlauchpilze)
Class	Magnoliopsida (Dicots)	Lecanoromycetes (Lecanoromycetes)
Order	Fagales (Buchenartige)	Lecanorales (Lecanorales)
Family	Betulaceae	Stereocaulaceae
Genus	Alnus	Stereocaulon
Species	Alnus glutinosa	Stereocaulon pileatum

Conservation Status

Schwarzerle

LC — Least Concern

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	Schwarzerle	Pixie Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Schwarzerle

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (India, Japan), Europe (6 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

Pixie Foam

Habitat

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

Range

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

Schwarzerle

The Alder (Alnus glutinosa) 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.

Shared Countries

Both species can be found in 5 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States