Botany, from the Greek botaniké, also referred as phytology, plant science or plant biology is the scientific study of plant, algae and fungi lives. Botany is a branch of biology and one or the man earliest sciences.
Botany encompass many disciplines that study plant behavior, evolution, diseases, their relationships with each other and with the man, such as agronomy, bryology, ethnobotany, forestry, horticulture, lichenology, paleobotany, palynology, phycology, phytochemistry, phytopathology, microbiology, and also anything plant related within other disciples like anatomy, ecology, genetics, morphology, physiology, systematics and taxonomy.