Keywords: Viola pubescens NRCS-1.jpg en Viola pubescens Aiton - downy yellow violet 1991 http //plants usda gov/java/largeImage imageID vipu3_002_ahp tif USDA-NRCS PLANTS Database / USDA SCS 1991 Southern wetland flora Field office guide to plant species South National Technical Center Fort Worth Robert H Mohlenbrock USDA SCS 1991 Southern wetland flora Field office guide to plant species South National Technical Center Fort Worth Courtesy of USDA NRCS Wetland Science Institute PD-USGov Uploaded with UploadWizard Viola pubescens Photographs by Robert H Mohlenbrock |