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Pitman NCA, White DM, Guevara Andino JE, Couvreur TLP, Fortier RP, Zapata JN, Cornejo X, Clark JL, Feeley KJ, Johnston MK, Lozinguez A, Rivas-Torres G (2022) Rediscovery of Gasteranthus extinctus L.E.Skog & L.P.Kvist (Gesneriaceae) at multiple sites in western Ecuador. PhytoKeys 194: 33-46. doi.org/10.3897/phytokeys.194.79638
