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Plant identification is the process of matching a specimen plant to a known taxon. It uses various methods, most commonly dichotomous keys or multi-access keys. ==History== Plant identification has evolved over hundreds of years and depends to a large extent on what criteria and whose system is used. Plant identification implies comparisons of certain characteristics and then assigning a particular plant to a known taxonomic group, ultimately arriving at a species or infraspecific name. In the history of botany many large systems, useful at the time, were widely used for decades until superseded as taxonomic knowledge progressed. *''Genera Plantarium''〔Isely, Duane. 1994 ''One hundred and one botanists'' Iowa State University Press.〕 was devised by George Bentham (1800–1884) and Joseph Dalton Hooker (1817–1911) who were British botanists working for Royal Botanic Gardens, Kew in the latter part of the nineteenth century. They described the system in a three-volume work. A total of 202 groups were described, which they called "orders" - now known as families. The system was renowned for being very practical and the keys were quite accurate. The study by of plant taxonomy with computer programmes was beginning by the early 1970s, and botanical keys now use numerical computer systems. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Plant identification」の詳細全文を読む スポンサード リンク
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