Hopper, S.D., van Leeuwen, S.J., Brown, A.P. & Patrick, S.J. (1990), Western Australia's Endangered Flora: 16, 37, Fig 29 [primary reference]

common name: Fine-leaved Apium [n/a]

Macfarlane, T.D. (2005), Personal Communication: - [taxonomic synonym]

taxonomic synonym of: Apium prostratum subsp. Porongurup Range (G.J.Keighery 8631) WA Herbarium [n/a]

Council of Heads of Australasian Herbaria (2011), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Apium prostratum subsp. Porongurup Range (G.J.Keighery 8631) WA Herbarium [n/a]

Council of Heads of Australasian Herbaria (29 September 2022), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Apium prostratum subsp. phillipii Keighery legitimate

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