Boar Thistle vs Flodman Thistle

Cirsium arvense compared with Cirsium flodmanii

Key Differences

• Boar Thistle is Least Concern while Flodman Thistle is Not Evaluated.

Taxonomic Classification

Rank	Boar Thistle	Flodman Thistle
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order same	Asterales (Daisies & Sunflowers)	Asterales (Daisies & Sunflowers)
Family same	Asteraceae (Daisy Family)	Asteraceae (Daisy Family)
Genus same	Cirsium	Cirsium
Species	Cirsium arvense	Cirsium flodmanii

Evolutionary Relationship

Boar Thistle and Flodman Thistle share a common ancestor at the Genus level: Cirsium.

Conservation Status

Boar Thistle

LC — Least Concern

Flodman Thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Boar Thistle	Flodman Thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boar Thistle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 8 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (5 countries), Europe (14 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Chile).

Flodman Thistle

Habitat

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

Range

Distributed across Canada and United States.

Boar Thistle

The Boar Thistle (Cirsium arvense) is a species in the genus Cirsium. It is currently classified as Least Concern on the IUCN Red List. Native to Australia, Belgium, Bulgaria, Canada, Chile.

Shared Countries

Both species can be found in 2 countries:

🇨🇦 Canada 🇺🇸 United States