International Code of Botanical Nomenclature ICBN) has provided a code for classification of plants. Give hierarchy of units of classification botanists follow while classifying plants and mention different ‘Suffixes’ used for the units.

The hierarchy followed in plants:

Species Genus Family Order Class Division Kingdom


Suffixes used by botanists are as follows:


Taxon Suffix


a) Division -phyta


b) Class -ae


c) Order -ales


d) Family -aceae


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