Notes on the Brazilian plants collected by Georg Wilhelm Freyreiss and published by Carl Peter Thunberg in plantarum brasiliensium
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In three dissertations entitled Plantarum Brasiliensium and presided by Carl Peter Thunberg, ten new species were treated in each of three parts by Johan Immanuel Billberg, Carl Gustav Ahlberg, and Carl Otto Holm, respectively, from collections made by Georg Wilhelm Freyreiss in his travel to Minas Gerais in 1814-1815. Eight of these species are currently accepted, but several have been over-looked by authors or remained unresolved until the present. Here we present the taxonomic status for all these names based on the analyses of the original specimens collected by Freyreiss, currently housed at UPS and elsewhere, pertinent literature available, and other herbarium collections. As a result, six new synonyms, one lectotypification and one new combination are proposed.