Natural Variation in Lignin and Pectin Biosynthesis-Related Genes in Switchgrass Panicum virgatum L.) and Association of SNP Variants with Dry Matter Traits Authors Bochra A. Bahri, Guillaume Daverdin, Xiangyang Xu, Jan-Fang Cheng, Kerrie W. Barry, E. Charles Brummer, Ali Missaoui, Katrien M. Devos Journal-Book BioEnergy Research Year 2020