Haussknecht, H.C. (1884), Monographie der Gattung Epilobium: 289 [tax. nov.]

• Type: "ad Swan-River leg. Drummond No. 239 sub E. Canesc. β. glabrescens Nees (Hb. Benth.); in Nova Zelandia leg. Banks (Hb. Vind.)."

Thompson, J. in George, A.S. (ed.) (1990), Onagraceae. Flora of Australia 18: 242 [secondary reference]

• Text: "... probably E. billardierianum subsp. cinereum."
• Text: "?nom. inval."
• Text: "The types ... have not been seen and their application is uncertain."

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [secondary reference]

orthographic variant: Epilobium junceum f. macrophylla Hausskn. orth. var.

Council of Heads of Australasian Herbaria (2005), Australian Plant Census: - [doubtful taxonomic synonym]

doubtful taxonomic synonym of: Epilobium billardiereanum subsp. cinereum (A.Rich.) P.H.Raven & Engelhorn legitimate

---