Complex sentence: The name Reseda refers to the fragrant plant Reseda odorata, whose English name is Mignonette, and was commonly found in gardens of the time and is native to many areas with a Mediterranean climate.
Split into simpler sentences: The name Reseda refers to a fragrant plant, Reseda odorata, whose English name is, Mignonette. It was commonly found in gardens of the time and is native to many areas with a Mediterranean climate.