... studies. That same year, he published the first edition of his classification of living things, the Systema Naturae. Carl Linnaeus's work was considered controversial at that period because he focused his studies on the reproductive organs. The sexual basis of Linnaeus's plant classification was controversial in its day; although easy to learn and use, it clearly did not give good results in many cases. Some critics also attacked it for its sexually explicit nature: one opponent, botanist Johann Siegesbeck, called it "loathsome harlotry". (Linnaeus had his revenge, however; he named a small, useless European weed Siegesbeckia.) Later systems of classification largely follow John Ray's practice of using morphological evidence from all parts of the organism in all stages of its development. What has survived of the Linnean system is its method of hierarchical classification and custom of binomial nomenclature. By Joe Fairhurst www. en.wikipedia.org ...

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