Keywords: Scirpus cyperinus NRCS-1 4x3.jpg en Scirpus cyperinus L Kunth - woolgrass 1989 http //plants usda gov/java/largeImage imageID sccy_002_ahp tif cropped to a 4x3 format by the uploader 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 other versions 144px original 3x2 version PD-USGov Uploaded with UploadWizard Scirpus cyperinus Photographs by Robert H Mohlenbrock |