Taxonomic novelties in Myrcia guianensis and allied species (Myrtaceae: Myrteae), including mass-typification in a large and taxonomically challenging group
1.Programa de Pós-Gradua??o em Biologia Vegetal,Universidade Estadual de Campinas,S?o Paulo,Brazil;2.Departamento de Botanica,Universidade Federal do Paraná,Paraná,Brazil;3.Herbarium, Royal Botanic Gardens, Kew,Surrey,UK