The vascular plant herbarium, National Museum of Nature and Science (TNS) rearranged the specimens originally arranged according to the new Engler system to conform to the APGIII system in 2012, on the occasion of its expansion. The background and preparation of the rearrangement, the move of the specimens and users' responses are summarized.
For those who work in taxonomy and systematics, field work is fundamental to conduct each research. In the past decade, the author whose researches focus primarily on the origin and evolution of widespread aquatic plants has performed dozens of plant surveys in Asia, Australia, Europe, and N. America. Among these are those carried out in Russian Far East, western India, Myanmar, southern Australia, and the Mediterranean mentioned in this essay.
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