Which classification system by Bentham and Hooker is specifically applicable to which group of plants?
The Bentham and Hooker classification system is a natural classification system specifically for angiosperms. This follows from NCERT principle where the relation explains the outcome clearly for students in simple steps.
Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Morphology and Anatomy of Flowering Plants, Topic: Plant structure and tissue systems.