Havinga, Reinout, and Havard Ostgaard. “Barcodes Are Dead, Long Live Barcodes! : Improving the Inventory of Living Plant Collections Using Optical Technology”.
Sibbaldia: the International Journal of Botanic Garden Horticulture, no. 14 (January 17, 2017): 133–140. Accessed May 24, 2025.
https://journals.rbge.org.uk/rbgesib/article/view/196.