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Question
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.
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Solution
As per the ICBN, various hierarchies of units for classifying plants and suffixes used for such hierarchies are as follows:
| Hierarchy | Suffix |
| Kingdom | Plantae |
| Division | Photo |
| Class | Ae |
| Order | Ales |
| Family | Ease or - Cease |
| Genus | It is the first term of an organism's scientific name, which usually has a Latin origin and is written in italics. |
| Species | It is the second term of the scientific name, usually of Latin origin and written in italics. |
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