Summary : The main objective of this manual is to provide a clear, simple and concise technical handbook for young researchers in plant taxonomy. The handbook aims to increase scientifi c expertise, and improve skills in management of specimens, writing, and in preparing taxonomic publications. This manual is an attempt to bring together the current knowledge on the theory and practice on plant taxonomy, from morphology, anatomy, geography, ecology, cytology and molecular biology. The organization of this manual is in two parts. Part I provides a full report of the Training Course conducted at the Herbarium Bogoriense, RC Biology – LIPI in Bogor, Indonesia, from 16 to 23 February 2011. Part II is a Training Manual largely based on the training course.