Alder vs Black Knot

Alnus acuminata compared with Apiosporina morbosa

Key Differences

• Alder is Least Concern while Black Knot is Not Evaluated.

Taxonomic Classification

Rank	Alder	Black Knot
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Ascomycota (Sac Fungi)
Class	Magnoliopsida (Dicots)	Dothideomycetes (Dothideomycetes)
Order	Fagales (Beeches & Oaks)	Venturiales (Venturiales)
Family	Betulaceae	Venturiaceae
Genus	Alnus	Apiosporina
Species	Alnus acuminata	Apiosporina morbosa

Conservation Status

Alder

LC — Least Concern

Black Knot

NE — Not Evaluated

Physical Characteristics

Attribute	Alder	Black Knot
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder

Habitat

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

Range

Found in Colombia.

Black Knot

Habitat

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

Range

Distributed across Denmark, Norway, and United States.

Alder

The Alder (Alnus acuminata) 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.

Black Knot

The Black Knot (Apiosporina morbosa) is a species in the genus Apiosporina. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Its geographic range spans Distributed across Denmark, Norway, and United States.