Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs
===================================================================
diff -u -redf9df0fe998b3472d211d0fb3fa3da1209be613 -ree395d64328db8f999b871e80491399a0a65e844
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision edf9df0fe998b3472d211d0fb3fa3da1209be613)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision ee395d64328db8f999b871e80491399a0a65e844)
@@ -107,10 +107,16 @@
                 FailureMechanismDisabledContextMenuStrip);
 
             yield return RingtoetsTreeNodeInfoFactory.CreateCalculationGroupContextTreeNodeInfo<GrassCoverErosionOutwardsWaveConditionsCalculationGroupContext>(
-                null,
+                WaveConditionsCalculationGroupChildeNodeObjects,
                 WaveConditionsCalculationGroupContextMenuStrip,
                 null);
 
+            yield return RingtoetsTreeNodeInfoFactory.CreateCalculationContextTreeNodeInfo<GrassCoverErosionOutwardsWaveConditionsCalculationContext>(
+                RingtoetsGrassCoverErosionOutwardsFormsResources.CalculationIcon,
+                null,
+                null,
+                null);
+
             yield return new TreeNodeInfo<FailureMechanismSectionResultContext<GrassCoverErosionOutwardsFailureMechanismSectionResult>>
             {
                 Text = context => RingtoetsCommonFormsResources.FailureMechanism_AssessmentResult_DisplayName,
@@ -410,6 +416,36 @@
 
         #region GrassCoverErosionOutwardsWaveConditionsCalculationGroupContext TreeNodeInfo
 
+        private object[] WaveConditionsCalculationGroupChildeNodeObjects(GrassCoverErosionOutwardsWaveConditionsCalculationGroupContext nodeData)
+        {
+            var childNodeObjects = new List<object>();
+
+            foreach (ICalculationBase item in nodeData.WrappedData.Children)
+            {
+                var calculation = item as GrassCoverErosionOutwardsWaveConditionsCalculation;
+                var group = item as CalculationGroup;
+
+                if (calculation != null)
+                {
+                    childNodeObjects.Add(new GrassCoverErosionOutwardsWaveConditionsCalculationContext(calculation,
+                                                                                                       nodeData.FailureMechanism,
+                                                                                                       nodeData.AssessmentSection));
+                }
+                else if (group != null)
+                {
+                    childNodeObjects.Add(new GrassCoverErosionOutwardsWaveConditionsCalculationGroupContext(group,
+                                                                                                            nodeData.FailureMechanism,
+                                                                                                            nodeData.AssessmentSection));
+                }
+                else
+                {
+                    childNodeObjects.Add(item);
+                }
+            }
+
+            return childNodeObjects.ToArray();
+        }
+
         private ContextMenuStrip WaveConditionsCalculationGroupContextMenuStrip(GrassCoverErosionOutwardsWaveConditionsCalculationGroupContext nodeData,
                                                                                 object parentData,
                                                                                 TreeViewControl treeViewControl)