Template:Nakai, 1923

• Nakai, T. 1923. Flora Sylvatica Koreana. Pars 14: Loganiaceæ, Apocynaceæ, Cordiaceæ, Pyrenaceæ, Labiatæ, Solanaceæ, Rhinanthaceæ, Bignoniaceæ, Rubiaceæ, Compositæ. Google Books.  
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