Keywords: Iris virginica NRCS-4x3.jpg en Iris virginica L - Virginia iris 1995 http //plants usda gov/java/largeImage imageID irvi_001_ahp tif Robert H Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS 1995 Northeast wetland flora Field office guide to plant species Northeast National Technical Center Chester Robert H Mohlenbrock USDA NRCS 1995 Northeast wetland flora Field office guide to plant species Northeast National Technical Center Chester Courtesy of USDA NRCS Wetland Science Institute Original uncropped NRCS photo 120px PD-USGov Uploaded with UploadWizard Iris virginica Photographs by Robert H Mohlenbrock |