]> GH barcode-00435534 United States of America Arkansas Ozark Plateau: Boston Mts.: Ozark National Forest - Sylamore Ranger District. Barkshed Recreational Area on North Sylamore Creek, about 10 mi. S.W. of Calico Rock Pseudognaphalium obtusifolium (Linnaeus) Hilliard & B. L. Burtt (Linnaeus) Hilliard & B. L. Burtt 2014-12-04 12:50:56 D. Moore