Viola crassa

Viola crassa is a species of flowering plant in the family Violaceae. It is native to Japan, Kamchatka Krai, the Kuril Islands, and Sakhalin.

Taxonomy

Viola crassa contains the following subspecies:

• Viola crassa subsp. alpicola
• Viola crassa subsp. crassa
• Viola crassa subsp. yatsugatakeana

References