Half a Century of Pursuing the Pervasive Proton -- Gene Transfer in Legumes -- Physiology of the Potato - Potato Virus Y Interaction -- Cellular Mechanisms of Environmental Adaptation: Learning from non-Arabidopsis Model Species -- Epigenetic Flexibility Underlying Phenotypic Plasticity -- Whole-Plant Physiology: Synergistic Emergence Rather than Modularity -- Evo-Devo-Eco and Ecological Stem Species: Potential Repair Systems in the Planetary Biosphere Crisis -- Roles of Organic Acid Metabolism in Plant Tolerance to Phosphorus-Deficiency -- The Production and Protection of Nectars -- Identifying Geographically Based Metapopulations for Development of Plant Materials Indigenous to Rangeland Ecosystems of the Western USA -- Invasive Alien Plants and Their Effects on Native Microbial Soil Communities -- Biotic Interactions in the Face of Climate Change -- From Aral Sea to Aralkum - an ecological Disaster or Halophytes' Paradise.