?Trees Shrubs Japan 1: 191, 1922?. Submitted.

?Trees Shrubs Japan, Revis. Ed. 2: 250, 1927?. Submitted.

?Enum. Pl. Corea 280, 1922?. Submitted.

?Acta Phytotax. Geobot. 25: 36, 1972?. Submitted.