Kukk's research has addressed Estonian protected plants and indigenous ornamental plants, and she has been engaged in the distribution of rare and protected plants,[2] biology, monitoring and protection.[3]
She is one of the founders and a board member of the Estonian Orchid Protection Club (Eesti Orhideekaitse Klubi).[citation needed]
Kukk is a member of the Berne Convention's Expert Group on flora, and she was a co-author of the "Estonian Red Book" established in 1998.[4]
Personal
She was married to phycologist and conservationist Erich Kukk (1928–2017).
Selected publications
Kukk, Ülle (1972). Looduslikke dekoratiivtaimi [Wild ornamental plants] (in Estonian). Tallinn: Valgus. (English version published by Light: New York)