]> FH barcode-00981201 United States of America Alaska partially submerged, large mats floating on water, prolific on north end of Tarn, 1st Tarn north of "Reflection" pond at the 86 mile post of the park Highway and on the ne side, McKinley Park Drepanocladus aduncus (Hedwig) Warnstorf (Hedwig) Warnstorf 2019-05-16 14:53:58 E. M. Sherrard