Per Axel Rydberg, born on July 6, 1860 in Odh, Västergötland, Sweden, was a graduate of University of Nebraska–Lincoln in the field of Botany.
Per Axel Rydberg, born on July 6, 1860 in Odh, Västergötland, Sweden, was a graduate of University of Nebraska–Lincoln in the field of Botany.