Blackthorn Dotty vs Brook-Side Alder

Polystigma rubrum compared with Alnus serrulata

Taxonomic Classification

Rank	Blackthorn Dotty	Brook-Side Alder
Kingdom	Fungi (Fungi)	Plantae (Plants)
Phylum	Ascomycota (Sac Fungi)	Magnoliophyta (Flowering Plants)
Class	Sordariomycetes (Sordariomycetes)	Magnoliopsida (Dicots)
Order	Phyllachorales (Phyllachorales)	Fagales (Beeches & Oaks)
Family	Phyllachoraceae	Betulaceae
Genus	Polystigma	Alnus
Species	Polystigma rubrum	Alnus serrulata

Conservation Status

Blackthorn Dotty

LC — Least Concern

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Blackthorn Dotty	Brook-Side Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackthorn Dotty

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

Blackthorn Dotty

The Blackthorn Dotty (Polystigma rubrum) is a species in the genus Polystigma. It is currently classified as Least Concern on the IUCN Red List. Distributed across Denmark, Norway, and Sweden.

Brook-Side Alder

The Brook-Side Alder (Alnus serrulata) 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.