?Trees Shrubs Japan 137, 1922?. Submitted.

?Ann. Mus. Bot. Lugduno-Batavi 1: 31, 1863?. Submitted.

?Notes Roy. Bot. Gard. Edinburgh 11: 156, 1919?. Submitted.

?Notes Roy. Bot. Gard. Edinburgh 11: 157, 1919?. Submitted.

?Notes Roy. Bot. Gard. Edinburgh 11: 161, 1919?. Submitted.

?Ill. Dict. Gard. 1: 510, 1885?. Submitted.