Keywords: Aristida longespica geniculata HC-1950.png en Aristida longespica Poir var geniculata Raf Fernald - slimspike threeawn 1950 http //plants usda gov/java/largeImage imageID arin8_002_avd tif USDA-NRCS PLANTS Database / Hitchcock A S rev A Chase 1950 Manual of the grasses of the United States USDA Miscellaneous Publication No 200 Washington DC Hitchcock A S rev A Chase 1950 Manual of the grasses of the United States USDA Miscellaneous Publication No 200 Washington DC 1950 PD-USGov Uploaded with UploadWizard Aristida longespica Manual of the grasses of the United States |