Keywords: Commelina virginica NRCS-1.jpg en Commelina virginica L - Virginia dayflower 1989 http //plants usda gov/java/largeImage imageID covi3_002_ahp tif USDA-NRCS PLANTS Database / USDA SCS 1989 Midwest wetland flora Field office illustrated guide to plant species Midwest National Technical Center Lincoln Robert H Mohlenbrock USDA SCS 1989 Midwest wetland flora Field office illustrated guide to plant species Midwest National Technical Center Lincoln Courtesy of USDA NRCS Wetland Science Institute PD-USGov Uploaded with UploadWizard Commelina virginica Photographs by Robert H Mohlenbrock |