An unrecorded variety of Viola (Violaceae): Viola betonicifolia var. albescens (Nakai) F. Maek. & T. Hashim. (제비꽃속(제비꽃과)의 미기록 변종: 흰들제비꽃(Viola betonicifolia var. albescens (Nakai) F. Maek. & T. Hashim.))
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- Korean Journal of Plant Taxonomy
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- v.45 no.2
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- pp.173-177
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- 2015