Taxonomic Update of Species Closely Related to Fulvifomes Robiniae in America

Fulvifomes robiniae is a parasitic polypore with distribution in temperate zones of North America. However, specimens morphologically similar to F . robiniae are found in other parts of the Americas. In addition, species such as F . cedrelae and F . coffeatoporus are related to F . robiniae in morphology. In this work, the type material of F . cedrelae , F . centroamericanus , F . coffeatoporus , F . krugiodendri , F . swieteniae and F . robiniae was revised. Furthermore, phylogenetic inferences of species studied were performed. Based on our results, F . swieteniae and F . centroamericanus are synonymized to F . cedrelae and F . krugiodendri to F . coffeatoporus . Also, F . cedrelae and F . coffeatoporus are confirmed as species distinct from F . robiniae based on molecular data and epitypes are selected. Additionally, specimens that resemble F . robiniae were found in northern Argentina and found to be a distinct new species, F . popoffii sp. nov., based on morphological, molecular, and ecological data. Illustrations, taxonomic analyses and discussion of selected species are presented, and a key to the Fulvifomes species is provided.