Japanese Arbor-vitae vs Korean Arbor-vitae

Thuja standishii compared with Thuja koraiensis

Key Differences

• Japanese Arbor-vitae is Near Threatened while Korean Arbor-vitae is Vulnerable.

Taxonomic Classification

Rank	Japanese Arbor-vitae	Korean Arbor-vitae
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Coniferophyta (Conifers)	Coniferophyta (Conifers)
Class same	Pinopsida (Conifers)	Pinopsida (Conifers)
Order same	Pinales (Pines & Allies)	Pinales (Pines & Allies)
Family same	Cupressaceae	Cupressaceae
Genus same	Thuja	Thuja
Species	Thuja standishii	Thuja koraiensis

Evolutionary Relationship

Japanese Arbor-vitae and Korean Arbor-vitae share a common ancestor at the Genus level: Thuja.

Conservation Status

Japanese Arbor-vitae

NT — Near Threatened

Korean Arbor-vitae

VU — Vulnerable

Physical Characteristics

Attribute	Japanese Arbor-vitae	Korean Arbor-vitae
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Arbor-vitae

Habitat

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

Range

Found in Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Korean Arbor-vitae

Habitat

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

Range

Distributed across Iceland and Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.