WILLIAMS, C.A., J. B. HARBORNE, and M. COLASANTE. “THE PATHWAY OF CHEMICAL EVOLUTION IN BEARDED IRIS SPECIES BASED ON FLAVONOID AND XANTHONE PATTERNS”. Annali di Botanica 58 (April 2, 2000). Accessed May 3, 2024. https://rosa.uniroma1.it/rosa04/annali_di_botanica/article/view/9062.