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.