Keywords: Hypericum denticulatum NRCS-1.jpg en Hypericum denticulatum Walter - coppery St Johnswort 1995 http //plants usda gov/java/largeImage imageID hyde2_001_ahp tif 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 PD-USGov Uploaded with UploadWizard Hypericum denticulatum Photographs by Robert H Mohlenbrock |