van den Berg, C. 2015. Nomenclatural notes in <em>Guarianthe</em> (Orchidaceae: Laeliinae): clarification of <em>Guarianthe ×deckeri, G. ×guatemalensis </em>and<em> G. patinii</em>. Phytotaxa. 239, 1 (Dec. 2015), 65–72. DOI:https://doi.org/10.11646/phytotaxa.239.1.6.