Black-stemmed Goldendrop vs Brook-Side Alder

Onosma nigricaulis compared with Alnus serrulata

Key Differences

• Black-stemmed Goldendrop is Critically Endangered while Brook-Side Alder is Least Concern.

Taxonomic Classification

Rank	Black-stemmed Goldendrop	Brook-Side Alder
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Boraginales (Boraginales)	Fagales (Beeches & Oaks)
Family	Boraginaceae	Betulaceae
Genus	Onosma	Alnus
Species	Onosma nigricaulis	Alnus serrulata

Evolutionary Relationship

Black-stemmed Goldendrop and Brook-Side Alder share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Black-stemmed Goldendrop

CR — Critically Endangered

Brook-Side Alder

LC — Least Concern

Physical Characteristics

Attribute	Black-stemmed Goldendrop	Brook-Side Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-stemmed Goldendrop

Habitat

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

Brook-Side Alder

Habitat

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

Range

Distributed across Canada and United States.

Black-stemmed Goldendrop

The Black-stemmed Goldendrop (Onosma nigricaulis) is a species in the genus Onosma. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

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.