Chamaecytisus albus subsp. frivaldszkyanus Cytisus frivaldszkyanus Cytisus leucanthus var. frivaldszkyanus Cytisus pallidus var. frivaldszkyanus Cytisus supinus var. frivaldszkyanus Cytisus albus var. frivaldszkyanus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024