common dog-violet vs Lang's Red Colobus

Viola riviniana compared with Piliocolobus langi

Key Differences

common dog-violet is Least Concern while Lang's Red Colobus is Endangered.

Taxonomic Classification

Rank	common dog-violet	Lang's Red Colobus
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Malpighiales (Malpighiales)	Primates (Primates)
Family	Violaceae	Cercopithecidae (Old World Monkeys)
Genus	Viola	Piliocolobus
Species	Viola riviniana	Piliocolobus langi

Conservation Status

common dog-violet

LC — Least Concern

Lang's Red Colobus

EN — Endangered

Physical Characteristics

Attribute	common dog-violet	Lang's Red Colobus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

common dog-violet

Habitat

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

Range

Widely distributed across Europe (7 countries), North America (Canada), and Oceania and the Pacific (Australia).

Lang's Red Colobus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

common dog-violet

<em>Viola riviniana</em>, the common dog-violet, is a perennial herbaceous plant in the family Violaceae. This species is widely distributed across Europe, including records from seven European countries, as well as Canada and Australia, where it occupies diverse terrestrial habitats such as woodlands, hedgerows, grasslands, and moorlands. The common dog-violet is characterized by its heart-shaped leaves and violet-blue, spurred flowers that typically bloom from spring through early summer. Unlike many violets, its flowers are unscented. <em>Viola riviniana</em> often spreads both by seed and vegetatively via rhizomes, forming patches in suitable habitats. This species is an important larval food plant for several fritillary butterfly species, making it ecologically significant for butterfly conservation in Britain and Europe. It generally favors well-drained, slightly acidic soils in partially shaded environments. The common dog-violet is assessed as Least Concern, with stable populations across most of its range. Its adaptation to a variety of woodland and grassland habitats contributes to its widespread occurrence.