Common St. John'S Wort vs Korean Pika

Hypericum perforatum compared with Ochotona coreana

Key Differences

• Common St. John'S Wort is Least Concern while Korean Pika is Data Deficient.

Taxonomic Classification

Rank	Common St. John'S Wort	Korean Pika
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Malpighiales (Malpighiales)	Lagomorpha (Rabbits & Hares)
Family	Hypericaceae	Ochotonidae
Genus	Hypericum	Ochotona
Species	Hypericum perforatum	Ochotona coreana

Conservation Status

Common St. John'S Wort

LC — Least Concern

Korean Pika

DD — Data Deficient

Physical Characteristics

Attribute	Common St. John'S Wort	Korean Pika
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common St. John'S Wort

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and deserts and xeric shrublands spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (5 countries), Europe (8 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile).

Korean Pika

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common St. John'S Wort

<em>Hypericum perforatum</em>, commonly known as common St. John's wort, is a flowering plant in the family Hypericaceae, order Malpighiales. It enjoys a cosmopolitan distribution, naturally occurring across Europe, western Asia, and North Africa, and has become widely naturalized in North and South America, Australia, and parts of Asia. The species typically inhabits roadsides, meadows, disturbed ground, and open woodland edges, preferring well-drained soils and full sun to partial shade. Its bright yellow flowers, distinguished by black glandular dots along the margins, bloom from late spring through summer. <em>Hypericum perforatum</em> has long been used in herbal medicine, particularly for its antidepressant properties attributed to the compound hypericin. The plant is also known to cause photosensitivity in livestock when ingested in large quantities. Biological traits including precise lifespan, reproductive output rates, and specific dietary associations remain poorly documented at the species level. Its conservation status is Least Concern, and it is considered a common weed in many regions, indicating a stable and widespread global population.