What is the scientific name of Hibiscus?

In which book was "binomial nomenclature" used for the first time?

The scientist who proposed the 'New Systematics' is .......

Which classification method is based on evolutionary relationships?

$A$ species is defined as "the group of actually or potentially inter-breeding natural populations producing fertile offspring and reproductively isolated from such other groups". The above statement is given by

The scientist who classified plants based on their habitat is .......