Keywords: Rhamnus frangula01.jpg Midwest wetland flora Field office illustrated guide to plant species Midwest National Technical Center Lincoln NE ;Species Frangula alnus ;Family Rhamnaceae 1989 http //plants usda gov/java/largeImage imageID fral4_001_ahp tif 1989 Robert H Mohlenbrock USDA-NRCS PLANTS Database / USDA SCS This image is not copyrighted and may be freely used for any purpose Please credit the artist original publication if applicable and the USDA-NRCS PLANTS Database Credits The above format is suggested and will be appreciated PD-USGov Frangula alnus |