Per Axel Rydberg
American botanist
Per Axel Rydberg was a Swedish-born, American botanist who was the first curator of the New York Botanical Garden Herbarium. Wikipedia
Born: July 6, 1860, Västergötland, Sweden
Died: July 25, 1931 (age 71 years), New York, NY
Author abbrev. (botany): Rydb