Three types of classification system are present 1

Three types of classification system are present 1. Artificial system of classification - Based on Morphological Characters , scientists in support of this classification are - Theophastrus , Aristrotle , Bauhini , Linneaus etc 2. Natural system of classification - Based on morphological characters , cytology , embryology etc Scientists who supported : John ray , Decandolle , Bentham and Hooker 3. Phylogenetic system of classification - Based on evolutionary relationships as that by Engler & Prantl in their book - Die Naturlichen Pflanzenfamilien