Urban, I. in Martius, C.F.P. von (1 December 1879), Umbelliferae. Flora Brasiliensis 11(1): 341, t. 91, fig. 1 [tax. nov.]

taxonomic synonym: Seseli ammi Savi legitimate

• Comment: The name Apium ammi Urb. var. ammi is listed by A.D.Chapman, Austral. Pl. Name Index 244 (1991), but this autonym does not exist, in accordance with ICN Art. 27.2 (Melbourne Code) (2012).
• Comment: nom illeg., non Crantz (1767).

Buwalda, P. (December 1949), Umbelliferae. Flora Malesiana Series I 4(2): 131 [taxonomic synonym]

taxonomic synonym of: Apium tenuifolium (Moench) Thell. legitimate

Black, J.M. (1952), Flora of South Australia Edn. 2, 3: 662-663 [secondary reference]

taxonomic synonym: Sison ammi L. legitimate taxonomic synonym: Apium leptophyllum (Pers.) F.Muell. legitimate

Eichler, Hj. (1965), Supplement to J.M.Black's Flora of South Australia (Second Edition, 1943-1957): 252 [taxonomic synonym]

taxonomic synonym of: Apium leptophyllum (Pers.) F.Muell. legitimate

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 65 [taxonomic synonym]

taxonomic synonym of: Apium leptophyllum (Pers.) F.Muell. legitimate

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

taxonomic synonym of: Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P.Wilson legitimate

Council of Heads of Australasian Herbaria (2016), Australian Plant Census: - [taxonomic synonym]

taxonomic synonym of: Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P.Wilson legitimate

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