Simplify the following text for a Grade 9 native English-speaking person.
Original: The name Dianthus is from the Greek words dios ( `` god '' ) and anthos ( `` flower '' ) , and was cited by the Greek botanist Theophrastus .
Simplified: The name Dianthus is from the Greek words dios ( `` god '' ) and anthos ( `` flower '' ) , and was mentioned by the Greek botanist Theophrastus .