A key development in early modern natural history that so far has received very little attention is the introduction of various dichotomous and tabular diagrams to illustrate classifications of plants and animals in the early modern period. Joachim Jungius (1587-1657), professor and some-time director of the academic school Johanneum in Hamburg, was one of the first scholars to use dichotomous diagrams to carry out a systematic analysis of the morphology and taxonomy of plants.
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