Beach Pea vs Marsh Pea

Lathyrus japonicus compared with Lathyrus palustris

Key Differences

• Beach Pea is Extinct while Marsh Pea is Endangered.

Taxonomic Classification

Rank	Beach Pea	Marsh Pea
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Fabales (Legumes & Allies)	Fabales (Legumes & Allies)
Family same	Fabaceae	Fabaceae
Genus same	Lathyrus	Lathyrus
Species	Lathyrus japonicus	Lathyrus palustris

Evolutionary Relationship

Beach Pea and Marsh Pea share a common ancestor at the Genus level: Lathyrus.

Conservation Status

Beach Pea

EX — Extinct

Marsh Pea

EN — Endangered

Physical Characteristics

Attribute	Beach Pea	Marsh Pea
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Beach Pea

Habitat

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

Range

Found across Europe (7 countries) and North America (Canada, United States).

Marsh Pea

Habitat

Found across multiple habitat types including boreal forests and taiga, Mediterranean forests and woodlands, and deserts and xeric shrublands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Israel), Europe (7 countries), North America (Canada, United States), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Beach Pea

The Beach Pea (Lathyrus japonicus) is a species in the genus Lathyrus. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Shared Countries

Both species can be found in 9 countries:

🇧🇪 Belgium 🇨🇦 Canada 🇩🇰 Denmark 🇫🇮 Finland 🇫🇷 France 🇮🇸 Iceland 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States