Introduction |
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Authors: | Friedrich Ehrendorfer |
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Affiliation: | (1) Botanisches Institut, Universität Wien, Rennweg 14, A-1030 Wien, Austria |
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Abstract: | The only concrete basis for the discontinuous and hierarchical organization of extant organisms lies in their genealogical (i. e. germ line) relationships. Individuals and populations of common descent are called sib or stirps. Ideally, systematic classification is based on the formulas: (1) sib + taxonomic category + name = taxon, and (2) divergent genealogy of sibs + hierarchy of taxonomic categories + names = taxonomic system (Fig. 1).Presented at the symposium Speciation and the Species Concept during the XIIth International Botanical Congress, Leningrad, July 8, 1975. |
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Keywords: | (Bio)systematics genealogy phylogenetics taxonomy hierarchy categories sib and taxon |
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