bastard toadflax vs Brown Rat

Thesium humifusum compared with Rattus norvegicus

Key Differences

• bastard toadflax is Near Threatened while Brown Rat is Least Concern.

Taxonomic Classification

Rank	bastard toadflax	Brown Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Santalales (Santalales)	Rodentia (Rodents)
Family	Thesiaceae	Muridae (Mice & Rats)
Genus	Thesium	Rattus
Species	Thesium humifusum	Rattus norvegicus

Conservation Status

bastard toadflax

NT — Near Threatened

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	bastard toadflax	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bastard toadflax

Habitat

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

Range

Distributed across Belgium and Portugal. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

bastard toadflax

The Bastard toadflax (Thesium humifusum) is a species in the genus Thesium. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇵🇹 Portugal