Tulipa biebersteiniana Schult. & Schult.f.

POWO follows these authorities in synonymising this name:

• Christenhusz, M.J.M., Govaerts, R., David, J.C., Hall, T., Borland, K., Roberts, P.S., Tuomisto, A., Buerki, S., Chase, M.W. & Fay, M.F. (2013). Tiptoe through the tulips - cultural history, molecular phylogenetics and classification of Tulipa (Liliaceae). Botanical Journal of the Linnean Society 172: 280-328. [Cited as Tulipa sylvestris subsp. australis.]
• Everett, D. (2013). The genus Tulipa Tulips of the world: 1-380. Kew publishing, Kew. [Cited as Tulipa sylvestris subsp. australis.]
• Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press. [Cited as Tulipa sylvestris subsp. australis.]

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

• Czerepanov, S.K. (1995). Vascular Plants of Russia and Adjacent States (The Former USSR): 1-516. Cambridge University Press. [Cited as Tulipa biebersteiniana.]
• Komarov, V.L. (ed.) (1935). Flora SSSR 4: 1-586. Izdatel'stov Akademii Nauk SSSR, Leningrad. [Cited as Tulipa biebersteiniana.]
• Marhold, K. (ed.) (2013). IAPT/IOPB chromosome data 16. Taxon 62: 1355-1360. [Cited as Tulipa biebersteiniana.]
• Pavlov, N.V. (ed.) (1958). Flora Kazakhstana 2: 1-290. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR. [Cited as Tulipa biebersteiniana.]
• Rechinger, K.H., Browicz, K., Persson, K. & Wendelbo, P. (1990). Flora Iranica 165: 1-194. Naturhistorisches Museums Wien. [Cited as Tulipa biebersteiniana.]
• Zonneveld, B.J.M. (2009). The systematic value of nuclear genome size for "all" species of Tulipa L. (Liliaceae). Plant Systematics and Evolution 281: 217-245. [Cited as Tulipa biebersteiniana.]