SECTION I: PLANT TAXONOMY HISTORY 
History of Plant Taxonomy 
Bessey's Cactus 
Cronquist's Not-So-Cactus  
SECTION II: PLANT TAXONOMY 
Classification 
Naming
Identification  
Plant Collecting 
SECTION III: PLANT ORGANS 
Roots 
Stems 
Leaves 
SECTION IV: PLANT REPRODUCTIVE STRUCTURES 
The Strobilus 
The Flower  
Floral Formulas 
Flower Attachment 
The Fruit 
Key to the Common Fruit 
SECTION V: CLASSIFICATION OF THE PLANT KINGDOM 
Kingdom Plantae  
Gymnosperms 
Angiosperms 
Monocotyledons 
Dicotyledons 
VASCULAR PLANT FAMILY INDEX