Dupatya guyanensis Paepalanthus apacarensis var. humilis Paepalanthus guyanensis Paepalanthus savannarum Paepalanthus savannarum var. glabrescens Paepalanthus steyermarkii Syngonanthus savannarum Syngonanthus savannarum var. glabrescens Syngonanthus venezuelensis
World Flora Online, accessed June 20, 2024