Carnevali G, Cetzal-Ix W, Tapia-Muñoz JL, Romero-González GA.

The world upside down: the first Kefersteinia (Orchidaceae: Zygopetalinae) with non-resupinate flowers

. Phytotaxa [Internet]. 2015 Dec. 23 [cited 2025 Dec. 5];239(2):165–173. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.239.2.5