Novikov, Andriy, Mariia Sup-Novikova, Viktor Nachychko, and Oleksandr Kuzyarin. “Testing Color Reference Charts for the Herbarium Digitization Purposes”. Plant Introduction, no. 101/102 (July 4, 2024): 34-43. Accessed July 24, 2024. https://plantintroduction.org/index.php/pi/article/view/1639.