Garden Loosestrife vs Swamp Loosestrife

Lysimachia vulgaris compared with Lysimachia thyrsiflora

Key Differences

• Garden Loosestrife is Least Concern while Swamp Loosestrife is Near Threatened.

Taxonomic Classification

Rank	Garden Loosestrife	Swamp Loosestrife
Kingdom same	Plantae (植物)	Plantae (植物)
Phylum same	Magnoliophyta (被子植物門)	Magnoliophyta (被子植物門)
Class same	Magnoliopsida (モクレン綱)	Magnoliopsida (モクレン綱)
Order same	Ericales (ツツジ目)	Ericales (ツツジ目)
Family same	Primulaceae	Primulaceae
Genus same	Lysimachia	Lysimachia
Species	Lysimachia vulgaris	Lysimachia thyrsiflora

Evolutionary Relationship

Garden Loosestrife and Swamp Loosestrife share a common ancestor at the Genus level: Lysimachia.

Conservation Status

Garden Loosestrife

LC — Least Concern

Swamp Loosestrife

NT — Near Threatened

Physical Characteristics

Attribute	Garden Loosestrife	Swamp Loosestrife
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Garden Loosestrife

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (6 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

Swamp Loosestrife

Habitat

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

Range

Found across Europe (5 countries) and North America (Canada, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Shared Countries

Both species can be found in 7 countries:

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