Response to In Vitro Micropropagation of Plants with Different Degrees of Variegation of the Commercial Gymnocalycium cv. Fancy (Cactaceae) - Cortes-Olmos, Carles; Guerra-Sandoval, Vladimir Marin; Guijarro-Real, Carla; Pineda, Benito; Fita, Ana; Rodriguez-Burruezo, Adrian (Plants-Basel, 2025)