Apium nodiflorum (L.) Lag.

POWO follows these authorities in synonymising this name:

• Muer, T., Sauerbier, H. & Cabrara Calixto, F. (2020). Die Farn- und Blütenpflanzen Madeiras: 1-792. Verlag und Versandbuchhandlung Andreas Kleinsteuber. [Cited as Helosciadium nodiflorum.]
• Zuloaga, F.O. & Belgrano, M.J. (eds.) (2019). Flora Argentina. Flora vascular de la República Argentina 20(2): 1-444. INTA, IMBIV & IBODA. [Cited as Helosciadium nodiflorum.]

This name was accepted following an alternative taxonomy by these authorities:

• Authier, P. & Covillot, J. (2011). Catalogue actualisé des plantes de l'île de Rhodes (Grèce). Saussurea; Travaux de la Société Botanique de Genève 41: 131-170. [Cited as Apium nodiflorum.]
• Boulos, L. (2000). Flora of Egypt 2: 1-352. Al Hadara Publishing, Cairo. [Cited as Apium nodiflorum.]
• Collenette, S. (1999). Wildflowers of Saudi Arabia: 1-799. National commission for wildlife conservation and development (NCWCD), Kingdom of Saudi Arabia. [Cited as Apium nodiflorum.]
• Davis, P.H. (ed.) (1972). Flora of Turkey and the East Aegean Islands 4: 1-657. Edinburgh University Press, Edinburgh. [Cited as Apium nodiflorum.]
• Ghazanfar, S.A. & Edmondson, J.R. (eds.) (2013). Flora of Iraq 5(2): 1-349. Ministry of Agriculture & Agrarian Reform, Baghdad. [Cited as Apium nodiflorum.]
• Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne. [Cited as Apium nodiflorum.]
• Hedberg, I., Edwards, S. & Nemomissa, S. (eds.) (2003). Flora of Ethiopia and Eritrea 4(1): 1-352. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps. [Cited as Apium nodiflorum.]
• Hedge, I.C., Lamond, J.M. & Rechinger, K.H. (1987). Flora Iranica 162: 1-555. Akademische Druck- u. Verlagsanstalt, Graz. [Cited as Apium nodiflorum.]
• Lazkov, G.A. & Sultanova, B.A. (2011). Checklist of vascular plants of Kyrgyzstan. Norrlinia 24: 1-166. [Cited as Apium nodiflorum.]
• Nasir, E. (1972). Flora of West Pakistan 20: 1-169. [Cited as Apium nodiflorum.]
• Thulin, M. (ed.) in Thulin, M. (ed.) (1999). Flora of Somalia 2: 1-303. The Royal Botanic Gardens, Kew. [Cited as Apium nodiflorum.]
• Townsend, C.C. (1989). Flora of Tropical East Africa, Umbelliferae: 1-127. [Cited as Apium nodiflorum.]
• Tutin, T.G. & al. (eds.) (1968). Flora Europaea 2: 1-469. Cambridge University Press. [Cited as Apium nodiflorum.]
• Wood, J.R.I. (1997). A handbook of the Yemen Flora: 1-434. Royal Botanic Gardens, Kew. [Cited as Apium nodiflorum.]
• Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur. Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348. Missouri Botanical Garden. [Cited as Apium nodiflorum.]

Flora of Iraq

• Boulos, Fl. Egypt: 2: 163 (2000).
• Hayek, Prodr. Fl. Balc. 1: 986 (1927);
• Lag., Amen. Nat. Espan. 1(2): 101 (1821);
• Meikle, Fl. Cyprus 1: 737 (1977);
• Peşmen in Fl. Turk. 4: 422 (1972);
• Rawi in Dep. Agr. Iraq Tech. Bull. 14: 88 (1964);
• Zohary, Fl. Palaest. 2: 416 (1972);
• Zohary, Fl. Palest. ed. 2, 1: 515 (1932);

Flora of Somalia

• Flora Somalia, Vol 2, (1999) Author: by M. Thulin [updated by M. Thulin 2008]

Flora of Tropical East Africa

• Cufod., Enumeratio Plantarum Aethiopiae Spermatophyta (Supplement in Bull. Jard. Bot. Brux.) p. 642 (1959).
• H. Wolff in A. Engler, Das Pflanzenreich IV. 228, heft 90: 37 (1927).
• Hiern in Flora of Tropical Africa 3: 11 (1877).
• Lagasca, Amen. Nat. 2: 101 (1821).