Per Axel Rydberg: A Biography, Bibliography and List of His Taxa. Mem (58) NYBG BRAND Includes reliable keys

Includes reliable keys

An introductory section discusses floral biology

This treatment re-evaluates the genus Cavendishia (29 taxa) in Mexico and Central America alone

the subject of which is species-by-species records from pollination to fruit ripening

Per Axel Rydberg: A Biography, Bibliography and List of His Taxa. Mem (58) NYBG BRAND Includes reliable keysSwedish American botanist Per Axel Rydberg (1860 1931) served as a field agent for the U. S. Department of Agriculture and a field agent and curator at The New York Botanical Garden. In a lifetime of collection and research, Rydberg became perhaps the foremost authority in the United States on the flora of the Middle West and Rocky Mountain regions. In his later years, he even began preparing his own illustrations of plants. This volume includes