Lange, J.M.C. (1865), Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening i Kjobenhavn 2(7): 169 [tax. nov.]

• Type: (not seen).

Black, J.M. (1924), Casuarinaceae - Euphorbiaceae. Flora of South Australia 2: 309 [secondary reference]

Black, J.M. (January 1948), Casuarinaceae-Euphorbiaceae. Flora of South Australia Edn. 2, 2: 452 [secondary reference]

Zohary M. & Heller, D. (1984), The Genus Trifolium: 294 APC [secondary reference]

• Lectotype: "La Coruna, in rupibus maritimis 1851–52, Lange (P. lecto)."

• APC Dist.: SA (naturalised)

---