"This spectacular book does full justice to the Compositae (Asteraceae), the largest and most successful flowering plant family with some 1700 genera and 24,000

Comparative biology: space, time, and form; Systematic history: kinds of branching diagrams; Systematic patterns: component analysis; Systematic results: classi

Frank E. Zachos offers a comprehensive review of one of today’s most important and contentious issues in biology: the species problem. After setting the stage

Isolation, extinction, conservation, biodiversity, hotspots.

Plant classifications are based on morphological characters and it is difficult, particularly in small plants and grasses, to identify these below generic level