Shuka, L., Tan, K. and Krasniqi, E. 2012.

Tulipa kosovarica (Liliaceae), a new species of tulip from Kosovo

. Phytotaxa. 62, 1 (Aug. 2012), 1–9. DOI:https://doi.org/10.11646/phytotaxa.62.1.1.