Per Axel RydbergÕs Botanical Collecting Trips to Western Nebraska in 1890 and 1891In the summer of 1891, Per Axel Rydberg and his assistant, Julius Hjalmar Flodman, collected plants in western Nebraska for the United States Department of Agriculture. They collected many first records for Nebraska as well as some that became type specimens of Rydbergs and other botanists names. In the following autumn and winter, Ryd_berg made a detailed, typewritten, carbon copied 35 page Report and 37 page List of specimens from that trip; one