Najas marina subsp. armata Horn

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

• Boulos, L. (1995). Flora of Egypt Checklist: i-xii, 1-287. Al Hadara Publishing, Cairo. [Cited as Najas marina subsp. armata.]
• Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo. [Cited as Najas marina subsp. armata.]
• Castroviejo, S. & al. (eds.) (2010). Flora Iberica 17: 1-298. Real Jardín Botánico, CSIC, Madrid. [Cited as Najas marina subsp. armata.]
• Chaudhary, S.A. (2001). Flora of the Kingdom of Saudi Arabia 3: 1-368. Ministry of Agriculture & Water, Riyadh. [Cited as Najas marina subsp. armata.]
• Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève. [Cited as Najas marina subsp. armata.]
• Edwards, S., Demissew, S. & Hedberg, I. (eds.) (1997). Flora of Ethiopia and Eritrea 6: 1-586. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps. [Cited as Najas marina subsp. armata.]
• Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria. [Cited as Najas marina subsp. armata.]
• Timberlake, J.R. & Martins, E.S. (eds.) (2009). Flora Zambesiaca 12(2): 1-208. Royal Botanic Gardens, Kew. [Cited as Najas marina subsp. armata.]
• Triest, L. & Symoens, J.J. (1983). Flore d'Afrique Centrale (Zaïre - Rwanda - Burundi) Najadaceae: 1-9. Jardin Botanique National de Belgique, Meise. [Cited as Najas marina subsp. armata.]
• Triest, L. (1989). Najadaceae. Flora of Tropical East Africa: 1-9. [Cited as Najas marina subsp. armata.]

Flora Zambesiaca

• Cook, Aq. Wetl. Pl. Sthn. Africa: 187, fig.192 (2004).
• Gibbs Russell in Kirkia 0: 434 (1977) (as N. marina).
• Horn in Kew Bull. 7: 29 (1952).
• Robyns & Tournay in Fl. Sperm. Parc Nat. Alb. : 17 (1955).
• Triest & Symoens in F.A.C., Najadaceae: 4 (1983).
• Triest in 22(1): 68, t.6, fig.10 (1988);
• Triest in F.T.E.A., Najadaceae: 3, fig.1 (1989).
• Triest in Mém. Acad. Roy. Sci. Outre-Mer, Cl. Sci. Nat. Méd. 21(4): 28, t.1,2, fig.2 (1987);