Author: Zhivko Petkov, Kiril Stoyanov
herbarium
9. Inventory of familly Hyacinthaceae Batsch Ex Borkh subfam. Hyacinthoideae in the Herbarium of the Agricultural University – Plovdiv (SOA)
Author: Ivanka Karamfilova, Kiril Stoyanov
4. Inventory of genus Ornithogalum (familly hyacinthaceae) in the herbarium of Agricultural university – Plovdiv (SOA)
Author: Vanya Andreeva, Tsvetanka Raycheva, Kiril Stoyanov