Boar Thistle vs melancholy thistle

Cirsium arvense compared with Cirsium helenioides

Key Differences

Boar Thistle is Least Concern while melancholy thistle is Not Evaluated.

Taxonomic Classification

Rank	Boar Thistle	melancholy 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 helenioides

Evolutionary Relationship

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

View Genus: Cirsium

Conservation Status

Boar Thistle

LC — Least Concern

melancholy thistle

NE — Not Evaluated

Physical Characteristics

Attribute	Boar Thistle	melancholy 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).

melancholy thistle

Habitat

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

Range

Distributed across Iceland, Norway, Slovenia, and Sweden.

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.