Answer :

I think linnaeus introduced phylogeny in taxonomy
Phylogeny refers to the evolutionary relationships that exists among different species in an ecosystem. Carolus Linnaeus of Sweden is considered to be the father of taxonomy. But still, he published the artificial system of classification which didn't bring out the phylogenetic relationships among organisms. This was a drawback of his classification. It was Karl prantl and adolf Engler of Germany who were the first to bring out the phylogenetic relationships in their monograph called Die Naturlichen pflanzen familien

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