Koyama's Spruce vs Sitka Spruce

Picea koyamae compared with Picea sitchensis

Key Differences

• Koyama's Spruce is Critically Endangered while Sitka Spruce is Not Evaluated.

Taxonomic Classification

Rank	Koyama's Spruce	Sitka Spruce
Kingdom same	Plantae (planta)	Plantae (planta)
Phylum same	Coniferophyta (Conifers)	Coniferophyta (Conifers)
Class same	Pinopsida (Conifers)	Pinopsida (Conifers)
Order same	Pinales (Coniferales)	Pinales (Coniferales)
Family same	Pinaceae (Pine Family)	Pinaceae (Pine Family)
Genus same	Picea	Picea
Species	Picea koyamae	Picea sitchensis

Evolutionary Relationship

Koyama's Spruce and Sitka Spruce share a common ancestor at the Genus level: Picea.

Conservation Status

Koyama's Spruce

CR — Critically Endangered

Sitka Spruce

NE — Not Evaluated

Physical Characteristics

Attribute	Koyama's Spruce	Sitka Spruce
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Koyama's Spruce

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Range

Found in Norway. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Sitka Spruce

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

Range

Widely distributed across Europe (14 countries), North America (Canada), and Oceania and the Pacific (New Zealand).

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway