Ross, J.H. in Ross, J.H. (ed.) (September 1996), A Census of the Vascular Plants of Victoria Edn. 5: 58, 202 [primary reference]

Council of Heads of Australasian Herbaria (2010), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Lobelia pedunculata R.Br. legitimate

Albrecht, D.E. & Walsh, N.G. (22 April 2022), Lobelia pachytricha (Campanulaceae; Lobelioideae), a new species from South Australia and Victoria. Muelleria 40: 40 [taxonomic synonym]

taxonomic synonym of: Lobelia pachytricha Albr. & N.G.Walsh legitimate

---