American Arbor-Vitae vs Korean Arbor-vitae

Thuja occidentalis compared with Thuja koraiensis

Key Differences

• American Arbor-Vitae is Not Evaluated while Korean Arbor-vitae is Vulnerable.

Taxonomic Classification

Rank	American 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 occidentalis	Thuja koraiensis

Evolutionary Relationship

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

Conservation Status

American Arbor-Vitae

NE — Not Evaluated

Korean Arbor-vitae

VU — Vulnerable

Physical Characteristics

Attribute	American Arbor-Vitae	Korean Arbor-vitae
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

American Arbor-Vitae

Habitat

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

Range

Widely distributed across Africa (Libya), Asia (Armenia, Taiwan, Turkey), Europe (21 countries), North America (Canada, United States), and South America (Brazil, Colombia).

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.

American Arbor-Vitae

The American Arbor-Vitae (Thuja occidentalis) is a species in the genus Thuja. Typically found in temperate and boreal forests, often at higher elevations.

Shared Countries

Both species can be found in 2 countries:

🇮🇸 Iceland 🇳🇴 Norway