Summary description from Wikipedia:

Viola crassa in languages:

Japanese

タカネスミレ(広義)

Russian

Фиалка толстая

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Parent Taxon

• Viola

Sibling Taxa

• Viola acutifolia
• Viola allochroa
• Viola bezdelevae
• Viola biflora
• Viola cameleo
• Viola caucasica
• Viola confertifolia
• Viola crassa
• Viola delavayi
• Viola dimorphophylla
• Viola fischeri
• Viola hediniana
• Viola kitamiana
• Viola majchurensis
• Viola muliensis
• Viola orbiculata
• Viola rotundifolia
• Viola sempervirens
• Viola szetschwanensis
• Viola tenuissima
• Viola urophylla
• Viola wallichiana

Child Taxa

• Viola crassa alpicola
• Viola crassa crassa
• Viola crassa yatsugatakeana

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