]> GH barcode-01624854 United States of America Kansas Flint Hills Prairie, ca 7 mi E of Cassoday in tallgrass prairie. SE 1/4 sec 16, T23S, R8E Calylophus serrulatus (Nuttall) P. H. Raven (Nuttall) P. H. Raven 2020-07-06 16:01:45 C. C. Freeman