Thellung, A. in Hegi, G. (ed.) (1926), Illustrierte Flora von Mittel-Europa 5(2): 1140, in obs [comb. nov.]

basionym: Cnidium tenuifolium Moench legitimate

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

taxonomic synonym: Helosciadium leptophyllum (Pers.) DC. legitimate taxonomic synonym: Apium ammi Urb. nom. illeg.

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 332 [secondary reference]

common name: Slender Celery [n/a]

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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