M Jovanović, D Lakušić, B Lakušić, B Zlatković - Botanica Serbica, 2021 - doiserbia.nb.rs
Several related yellow-flowered houseleek species which occur on the Balkan Peninsula
are divided into two complexes: Sempervivum ciliosum (S. ciliosum, S. jakucsii, S. klepa, S …