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Kalanchoe ×estrelae (Crassulaceae subfam. Kalanchooideae): a new nothospecies for the hybrid between K. luciae and K. sexangularis

. Phytotaxa. 441, 2 (May 2020), 225–228. DOI:https://doi.org/10.11646/phytotaxa.441.2.11.