Bibliography
CitationD'Emerico, S., Pignone, D., Bartolo, G., Pulvirenti, S., Terrasi, C., Stuto, S., & Scrugli, A. (2005). Karyomorphology, heterochromatin patterns and evolution in the genus Ophrys (Orchidaceae). Botanical journal of the Linnean Society, 148(1), 87-99.