Denisow B, Tymoszuk K, Dmitruk M. Nectar and pollen production of Helianthus tuberosus L. – an exotic plant with invasiveness potential. Acta Bot. Croat. [Internet]. 2019 Oct. 1 [cited 2025 Apr. 23];78(2). Available from: https://abc.botanic.hr/index.php/abc/article/view/2510