URI
Notation
581
Caption
General botany
Broader class
58  Botany
Narrower classes
581.1Plant physiology
581.2Plant diseases. Plant pathology. Phytopathology
581.3Embryology of plants
581.4Plant morphology. Plant anatomy
581.5Habits of plants. Plant behaviour. Plant ecology. Plant ethology. The plant and its environment. Bionomics of plants
581.6Applied botany. Use of plants. Technobotany. Economic botany
581.8Plant histology
581.9Geographic botany. Plant geography (phytogeography). Floras. Geographic distribution of plants