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), 65–72. https://doi.org/10.11646/phytotaxa.239.1.6