Brook Alder vs Tiny Earthstar

Alnus maritima compared with Geastrum minimum

Key Differences

Brook Alder is Endangered while Tiny Earthstar is Near Threatened.

Taxonomic Classification

Rank	Brook Alder	Tiny Earthstar
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Agaricomycetes (Mushrooms)
Order	Fagales (Beeches & Oaks)	Geastrales (Geastrales)
Family	Betulaceae	Geastraceae
Genus	Alnus	Geastrum
Species	Alnus maritima	Geastrum minimum

Conservation Status

Brook Alder

EN — Endangered

Tiny Earthstar

NT — Near Threatened

Physical Characteristics

Attribute	Brook Alder	Tiny Earthstar
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Alder

Habitat

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

Range

Distributed across Belgium, France, Netherlands, and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Tiny Earthstar

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brook Alder

The Brook Alder (Alnus maritima) is a species in the genus Alnus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.