• Cellular forms
• Domain: Eukaryota
• Kingdom: Plantae
• Subkingdom: Embryophyta
• Division: Angiospermae or Magnoliophyta
• Class: Dicotyledoneae
• Family: Violaceae
• Genus: Viola

• Viola alba
• Viola ambigua
• Viola arvensis
• Viola canina
• Species: Viola caucasica
• Viola hirta
• Viola hortensis
• Viola hymettia
• Viola x hyrcanica
• Viola kitaibeliana
• Viola minuta
• Viola mirabilis
• Viola modestula
• Viola montana
• Viola occulta
• Species: Viola odorata - English violet
• Species: Viola oreades
• Viola parvula
• Viola pumila
• Viola pyrenaica
• Viola reichenbachiana
• Viola rupestris
• Viola sieheana
• Viola somchetica
• Viola suavis
• Viola thomasiana
• Viola vespertina