Rumex japonicus Houtt.,

Wijnands, Dirk Onno, Heniger, Johannes, Veldkamp, Jan Frederik, Fumeaux, Nicolas & Callmander, Martin W., 2017, The botanical legacy of Martinus Houttuyn (1720 - 1798) in Geneva, Candollea 72 (1), pp. 155-198 : 189

98. Rumex japonicus Houtt.,

Nat. Hist. II(8): Aanwyz. Plaat. [2], 394, tab. 47, fig. 2. 1777.

Lectotypus (designated here by Wijnands): JAPAN: Thunberg s.n. ( G-PREL [ G00818079 ]!).

Notes. – The only specimen representing original material in the Japan herbarium is designated here as lectotype. It is annotated by Houttuyn as “ Rumex dentatus L.?” Houttuyn noted on the sheet that the fruit was drawn for Nat. Hist. II (8): tab. 47, fig. 2. No duplicate has been found in UPS-THUNB.