Per Axel Rydberg: A Biography, Bibliography and List of His Taxa. Mem (58) MEMOIRS by André Robyns

by André Robyns

including one species and one variety described as new

simple basifixed hairs

The Fissidentaceae are acrocarpous mosses

Per Axel Rydberg: A Biography, Bibliography and List of His Taxa. Mem (58) MEMOIRS by André RobynsSwedish 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