Template:Demiriz, Viane & Reichstein, 1990
- Demiriz, H., Viane, R.L.L. & Reichstein, T. 1990. Asplenium obovatum var. protobillotii var. nov. und var. deltoideum var. nov. in Turkey, with remarks on the status of A. billotii. Candollea 45(1): 241–259. DOI: 10.5169/seals-879694
