Domin, K. (1921), Beitrage zur Flora und Pflanzengeographie Australiens. Bibliotheca Botanica 22(89): 613 [tax. nov.]

• Type: "Queensland, angeblich Brisbane River, A. Dietrich No. 1495, 1338."

Ross, E.M. in Stanley, T.D. & Ross, E.M. (1984), Polygonaceae. Flora of South-eastern Queensland 1: 90 [secondary reference]

• Text: "...thought by Domin to be a hybrid between P. subsessile and P. attenuatum."

Wilson, K.L. (14 November 1996), Nomenclatural notes on Polygonaceae in Australia. Telopea 7(1): 85 [secondary reference]

• Lectotype: "Queensland: prope Brisbane River, A. Dietrich 1338, 1863-1895; lecto (here designated) PR 526269. Residual syntype: Queensland: prope Brisbane River, A. Dietrich 1495, 1863-1895 (PR, mounted on same sheet as the lectotype)."

Council of Heads of Australasian Herbaria (7 July 2021), Australian Plant Census: - APC [secondary reference]

• APC Comment: A name of uncertain application.

---