A new species of Metrodorea (Rutaceae) from Brazil: morphology, molecular phylogenetics, and distribution
A new yellow-flowered ornithophilous Vriesea and an illustrated collection of the bromeliads from Pico Alto, Serra do Baturité, Ceará State, Northeastern Brazil
Euphorbia otjipembana subsp. okakoraensis (Euphorbiaceae), a new subspecies from the Kaokoveld, Namibia, with an amplified description of Euphorbia otjipembana
