Gaudichaudia congestiflora A. Juss. Gaudichaudia congestiflora A. Juss. in Arch. Mus. Hist. Nat. 3: 590. 1843 sec. León Velasco 2011=Gaudichaudia confertiflora A. Juss. in Ann. Sci. Nat., Bot. II, 13: 252. 1840 syn. sec. ???