Bad-smelling Alkanet vs Common Periwinkle

Alkanna maleolens compared with Littorina littorea

Key Differences

• Bad-smelling Alkanet is Critically Endangered while Common Periwinkle is Least Concern.

Taxonomic Classification

Rank	Bad-smelling Alkanet	Common Periwinkle
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Magnoliopsida (Dicots)	Gastropoda (Gastropoda)
Order	Boraginales (Boraginales)	Littorinimorpha (Littorinimorpha)
Family	Boraginaceae	Littorinidae
Genus	Alkanna	Littorina
Species	Alkanna maleolens	Littorina littorea

Conservation Status

Bad-smelling Alkanet

CR — Critically Endangered

Common Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Bad-smelling Alkanet	Common Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bad-smelling Alkanet

Habitat

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

Common Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Bad-smelling Alkanet

The Bad-smelling Alkanet (Alkanna maleolens) is a species in the genus Alkanna. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Common Periwinkle

Common Periwinkle (Littorina littorea) 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.