diff --git a/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.html b/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.html
index 3dd9b6b25a6..e2c0c528275 100644
--- a/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.html
+++ b/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.html
@@ -7,8 +7,10 @@ <h1 *ngIf="displayTitle">
   } }}
   </h1>
   <div class="mb-3">
-    <ds-vocabulary-treeview [vocabularyOptions]=vocabularyOptions
+    <ds-vocabulary-treeview [description]="description"
+                            [vocabularyOptions]=vocabularyOptions
                             [multiSelect]="true"
+                            [showAdd]="false"
                             (select)="onSelect($event)"
                             (deselect)="onDeselect($event)">
     </ds-vocabulary-treeview>
diff --git a/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.ts b/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.ts
index 6ba5dd2c4b0..ca6efa16b90 100644
--- a/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.ts
+++ b/src/app/browse-by/browse-by-taxonomy/browse-by-taxonomy.component.ts
@@ -14,7 +14,10 @@ import {
   Params,
   RouterLink,
 } from '@angular/router';
-import { TranslateModule } from '@ngx-translate/core';
+import {
+  TranslateModule,
+  TranslateService,
+} from '@ngx-translate/core';
 import {
   BehaviorSubject,
   Observable,
@@ -124,6 +127,11 @@ export class BrowseByTaxonomyComponent implements OnInit, OnChanges, OnDestroy {
    */
   browseDefinition$: Observable<BrowseDefinition>;
 
+  /**
+   * Browse description
+   */
+  description: string;
+
   /**
    * Subscriptions to track
    */
@@ -131,6 +139,7 @@ export class BrowseByTaxonomyComponent implements OnInit, OnChanges, OnDestroy {
 
   public constructor(
     protected route: ActivatedRoute,
+    protected translate: TranslateService,
   ) {
   }
 
@@ -141,9 +150,11 @@ export class BrowseByTaxonomyComponent implements OnInit, OnChanges, OnDestroy {
       }),
     );
     this.subs.push(this.browseDefinition$.subscribe((browseDefinition: HierarchicalBrowseDefinition) => {
+      this.selectedItems = [];
       this.facetType = browseDefinition.facetType;
       this.vocabularyName = browseDefinition.vocabulary;
       this.vocabularyOptions = { name: this.vocabularyName, closed: true };
+      this.description = this.translate.instant(`browse.metadata.${this.vocabularyName}.tree.descrption`);
     }));
     this.subs.push(this.scope$.subscribe(() => {
       this.updateQueryParams();
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/models/onebox/dynamic-onebox.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/models/onebox/dynamic-onebox.component.ts
index d65e06313f8..23cec6b502e 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/models/onebox/dynamic-onebox.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/models/onebox/dynamic-onebox.component.ts
@@ -293,7 +293,7 @@ export class DsDynamicOneboxComponent extends DsDynamicVocabularyComponent imple
       const modalRef: NgbModalRef = this.modalService.open(VocabularyTreeviewModalComponent, { size: 'lg', windowClass: 'treeview' });
       modalRef.componentInstance.vocabularyOptions = this.model.vocabularyOptions;
       modalRef.componentInstance.preloadLevel = preloadLevel;
-      modalRef.componentInstance.selectedItems = this.currentValue ? [this.currentValue.value] : [];
+      modalRef.componentInstance.selectedItems = this.currentValue ? [this.currentValue] : [];
       modalRef.result.then((result: VocabularyEntryDetail) => {
         if (result) {
           this.currentValue = result;
diff --git a/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.html b/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.html
index 71eb8e14765..851ccaf880d 100644
--- a/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.html
+++ b/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.html
@@ -7,9 +7,11 @@ <h4 class="modal-title">{{'vocabulary-treeview.header' | translate}}</h4>
 <div class="modal-body">
   <div class="p-3">
     <ds-vocabulary-treeview [vocabularyOptions]="vocabularyOptions"
+                            [description]="description"
                             [preloadLevel]="preloadLevel"
                             [selectedItems]="selectedItems"
                             [multiSelect]="multiSelect"
+                            [showAdd]="showAdd"
                             (select)="onSelect($event)">
     </ds-vocabulary-treeview>
   </div>
diff --git a/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.spec.ts b/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.spec.ts
index ab8361aad02..fea81d1d9a1 100644
--- a/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.spec.ts
+++ b/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.spec.ts
@@ -5,6 +5,7 @@ import {
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateModule } from '@ngx-translate/core';
 
+import { VocabularyOptions } from '../../../core/submission/vocabularies/models/vocabulary-options.model';
 import { VocabularyTreeviewComponent } from '../vocabulary-treeview/vocabulary-treeview.component';
 import { VocabularyTreeviewModalComponent } from './vocabulary-treeview-modal.component';
 
@@ -13,6 +14,7 @@ describe('VocabularyTreeviewModalComponent', () => {
   let fixture: ComponentFixture<VocabularyTreeviewModalComponent>;
 
   const modalStub = jasmine.createSpyObj('modalStub', ['close']);
+  const vocabularyOptions = new VocabularyOptions('vocabularyTest', false);
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
@@ -32,10 +34,16 @@ describe('VocabularyTreeviewModalComponent', () => {
   beforeEach(() => {
     fixture = TestBed.createComponent(VocabularyTreeviewModalComponent);
     component = fixture.componentInstance;
+    component.vocabularyOptions = vocabularyOptions;
+    spyOn(component as any, 'setDescription').and.callThrough();
     fixture.detectChanges();
   });
 
   it('should create', () => {
     expect(component).toBeTruthy();
   });
+
+  it('should init descrption message', () => {
+    expect((component as any).setDescription).toHaveBeenCalled();
+  });
 });
diff --git a/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.ts b/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.ts
index d195ed36d3b..aabb9ab3afd 100644
--- a/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.ts
+++ b/src/app/shared/form/vocabulary-treeview-modal/vocabulary-treeview-modal.component.ts
@@ -2,10 +2,14 @@ import {
   Component,
   EventEmitter,
   Input,
+  OnInit,
   Output,
 } from '@angular/core';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
-import { TranslateModule } from '@ngx-translate/core';
+import {
+  TranslateModule,
+  TranslateService,
+} from '@ngx-translate/core';
 
 import { VocabularyEntryDetail } from '../../../core/submission/vocabularies/models/vocabulary-entry-detail.model';
 import { VocabularyOptions } from '../../../core/submission/vocabularies/models/vocabulary-options.model';
@@ -24,7 +28,7 @@ import { VocabularyTreeviewComponent } from '../vocabulary-treeview/vocabulary-t
 /**
  * Component that contains a modal to display a VocabularyTreeviewComponent
  */
-export class VocabularyTreeviewModalComponent {
+export class VocabularyTreeviewModalComponent implements OnInit {
 
   /**
    * The {@link VocabularyOptions} object
@@ -39,13 +43,23 @@ export class VocabularyTreeviewModalComponent {
   /**
    * The vocabulary entries already selected, if any
    */
-  @Input() selectedItems: string[] = [];
+  @Input() selectedItems: VocabularyEntryDetail[] = [];
 
   /**
    * Whether to allow selecting multiple values with checkboxes
    */
   @Input() multiSelect = false;
 
+  /**
+   * A boolean representing if to show the add button or not
+   */
+  @Input() showAdd = true;
+
+  /**
+   * Contain a descriptive message for this vocabulary retrieved from i18n files
+   */
+  description: string;
+
   /**
    * An event fired when a vocabulary entry is selected.
    * Event's payload equals to {@link VocabularyEntryDetail} selected.
@@ -56,11 +70,17 @@ export class VocabularyTreeviewModalComponent {
    * Initialize instance variables
    *
    * @param {NgbActiveModal} activeModal
+   * @param {TranslateService} translate
    */
   constructor(
     public activeModal: NgbActiveModal,
+    protected translate: TranslateService,
   ) { }
 
+  ngOnInit(): void {
+    this.setDescription();
+  }
+
   /**
    * Method called on entry select
    */
@@ -68,4 +88,13 @@ export class VocabularyTreeviewModalComponent {
     this.select.emit(item);
     this.activeModal.close(item);
   }
+
+  /**
+   * Set the description message related to the given vocabulary
+   */
+  private setDescription() {
+    const descriptionLabel = 'vocabulary-treeview.tree.description.' + this.vocabularyOptions.name;
+    this.description = this.translate.instant(descriptionLabel);
+  }
+
 }
diff --git a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html
index 412c732b019..d06bbe7ad7d 100644
--- a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html
+++ b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.html
@@ -1,4 +1,4 @@
-<ds-alert [content]="'vocabulary-treeview.info' | translate" [type]="AlertType.Info"></ds-alert>
+<ds-alert *ngIf="description" [content]="description" [type]="AlertType.Info"></ds-alert>
 <div class="treeview-header row mb-1">
   <div class="col-12">
     <div class="input-group">
@@ -11,7 +11,7 @@
         <button class="btn btn-outline-secondary" type="button" (click)="reset()">
           {{'vocabulary-treeview.search.form.reset' | translate}}
         </button>
-        <button class="btn btn-outline-primary" type="button" (click)="add()" [disabled]="this.vocabularyOptions.closed">
+        <button *ngIf="showAdd && this.vocabularyOptions.closed" class="btn btn-outline-primary" type="button" (click)="add()">
           {{'vocabulary-treeview.search.form.add' | translate}}
         </button>
         <button class="btn btn-outline-primary" type="button" (click)="add()" [disabled]="this.vocabularyOptions.closed">
diff --git a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.spec.ts b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.spec.ts
index 2470123423e..9197875ea48 100644
--- a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.spec.ts
+++ b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.spec.ts
@@ -13,14 +13,9 @@ import {
 import { By } from '@angular/platform-browser';
 import { NoopAnimationsModule } from '@angular/platform-browser/animations';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
-import { StoreModule } from '@ngrx/store';
-import { provideMockStore } from '@ngrx/store/testing';
 import { TranslateModule } from '@ngx-translate/core';
 import { of as observableOf } from 'rxjs';
 
-import { storeModuleConfig } from '../../../app.reducer';
-import { authReducer } from '../../../core/auth/auth.reducer';
-import { AuthTokenInfo } from '../../../core/auth/models/auth-token-info.model';
 import { PageInfo } from '../../../core/shared/page-info.model';
 import { VocabularyEntry } from '../../../core/submission/vocabularies/models/vocabulary-entry.model';
 import { VocabularyEntryDetail } from '../../../core/submission/vocabularies/models/vocabulary-entry-detail.model';
@@ -40,7 +35,6 @@ describe('VocabularyTreeviewComponent test suite', () => {
   let comp: VocabularyTreeviewComponent;
   let compAsAny: any;
   let fixture: ComponentFixture<VocabularyTreeviewComponent>;
-  let initialState;
   let de;
 
   const item = new VocabularyEntryDetail();
@@ -71,25 +65,10 @@ describe('VocabularyTreeviewComponent test suite', () => {
     clearSearchTopRequests: jasmine.createSpy('clearSearchTopRequests'),
   });
 
-  initialState = {
-    core: {
-      auth: {
-        authenticated: true,
-        loaded: true,
-        blocking: false,
-        loading: false,
-        authToken: new AuthTokenInfo('test_token'),
-        userId: 'testid',
-        authMethods: [],
-      },
-    },
-  };
-
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
       imports: [
         CdkTreeModule,
-        StoreModule.forRoot({ auth: authReducer }, storeModuleConfig),
         TranslateModule.forRoot(),
         VocabularyTreeviewComponent,
         TestComponent,
@@ -99,7 +78,6 @@ describe('VocabularyTreeviewComponent test suite', () => {
         { provide: VocabularyTreeviewService, useValue: vocabularyTreeviewServiceStub },
         { provide: VocabularyService, useValue: vocabularyServiceStub },
         { provide: NgbActiveModal, useValue: modalStub },
-        provideMockStore({ initialState }),
         ChangeDetectorRef,
         VocabularyTreeviewComponent,
       ],
@@ -155,10 +133,10 @@ describe('VocabularyTreeviewComponent test suite', () => {
       currentValue.otherInformation = {
         id: 'entryID',
       };
-      comp.selectedItems = [currentValue.value];
+      comp.selectedItems = [currentValue];
       fixture.detectChanges();
       expect(comp.dataSource.data).toEqual([]);
-      expect(vocabularyTreeviewServiceStub.initialize).toHaveBeenCalledWith(comp.vocabularyOptions, new PageInfo(), ['testValue'], null);
+      expect(vocabularyTreeviewServiceStub.initialize).toHaveBeenCalledWith(comp.vocabularyOptions, new PageInfo(), ['entryID'], 'entryID');
     });
 
     it('should should init component properly with init value as VocabularyEntry', () => {
@@ -167,10 +145,20 @@ describe('VocabularyTreeviewComponent test suite', () => {
       currentValue.otherInformation = {
         id: 'entryID',
       };
-      comp.selectedItems = [currentValue.value];
+      comp.selectedItems = [currentValue];
+      fixture.detectChanges();
+      expect(comp.dataSource.data).toEqual([]);
+      expect(vocabularyTreeviewServiceStub.initialize).toHaveBeenCalledWith(comp.vocabularyOptions, new PageInfo(), ['entryID'], 'entryID');
+    });
+
+    it('should should init component properly with init value as VocabularyEntryDetail', () => {
+      const currentValue = new VocabularyEntryDetail();
+      currentValue.value = 'testValue';
+      currentValue.id = 'entryID';
+      comp.selectedItems = [currentValue];
       fixture.detectChanges();
       expect(comp.dataSource.data).toEqual([]);
-      expect(vocabularyTreeviewServiceStub.initialize).toHaveBeenCalledWith(comp.vocabularyOptions, new PageInfo(), ['testValue'], null);
+      expect(vocabularyTreeviewServiceStub.initialize).toHaveBeenCalledWith(comp.vocabularyOptions, new PageInfo(), ['entryID'], 'entryID');
     });
 
     it('should call loadMore function', () => {
diff --git a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts
index 903a24962be..cd836a4a473 100644
--- a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts
+++ b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.component.ts
@@ -18,23 +18,16 @@ import {
 } from '@angular/core';
 import { FormsModule } from '@angular/forms';
 import { NgbTooltipModule } from '@ng-bootstrap/ng-bootstrap';
-import { Store } from '@ngrx/store';
-import {
-  TranslateModule,
-  TranslateService,
-} from '@ngx-translate/core';
+import { TranslateModule } from '@ngx-translate/core';
 import {
   Observable,
   Subscription,
 } from 'rxjs';
 
-import { CoreState } from '../../../core/core-state.model';
-import { getFirstSucceededRemoteDataPayload } from '../../../core/shared/operators';
 import { PageInfo } from '../../../core/shared/page-info.model';
 import { VocabularyEntry } from '../../../core/submission/vocabularies/models/vocabulary-entry.model';
 import { VocabularyEntryDetail } from '../../../core/submission/vocabularies/models/vocabulary-entry-detail.model';
 import { VocabularyOptions } from '../../../core/submission/vocabularies/models/vocabulary-options.model';
-import { VocabularyService } from '../../../core/submission/vocabularies/vocabulary.service';
 import { AlertComponent } from '../../alert/alert.component';
 import { AlertType } from '../../alert/alert-type';
 import {
@@ -43,6 +36,7 @@ import {
   isNotEmpty,
 } from '../../empty.util';
 import { ThemedLoadingComponent } from '../../loading/themed-loading.component';
+import { FormFieldMetadataValueObject } from '../builder/models/form-field-metadata-value.model';
 import { VocabularyTreeFlatDataSource } from './vocabulary-tree-flat-data-source';
 import { VocabularyTreeFlattener } from './vocabulary-tree-flattener';
 import { VocabularyTreeviewService } from './vocabulary-treeview.service';
@@ -53,6 +47,8 @@ import {
   TreeviewNode,
 } from './vocabulary-treeview-node.model';
 
+export type VocabularyTreeItemType = FormFieldMetadataValueObject | VocabularyEntry | VocabularyEntryDetail;
+
 /**
  * Component that shows a hierarchical vocabulary in a tree view
  */
@@ -85,15 +81,25 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
   @Input() preloadLevel = 2;
 
   /**
-   * The vocabulary entries already selected, if any
+   * Contain a descriptive message for the tree
    */
-  @Input() selectedItems: string[] = [];
+  @Input() description = '';
 
   /**
    * Whether to allow selecting multiple values with checkboxes
    */
   @Input() multiSelect = false;
 
+  /**
+   * A boolean representing if to show the add button or not
+   */
+  @Input() showAdd = true;
+
+  /**
+   * The vocabulary entries already selected, if any
+   */
+  @Input() selectedItems: VocabularyTreeItemType[] = [];
+
   /**
    * A map containing the current node showed by the tree
    */
@@ -131,20 +137,15 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
 
   /**
    * An event fired when a vocabulary entry is selected.
-   * Event's payload equals to {@link VocabularyEntryDetail} selected.
+   * Event's payload equals to {@link VocabularyTreeItemType} selected.
    */
-  @Output() select: EventEmitter<VocabularyEntryDetail> = new EventEmitter<VocabularyEntryDetail>(null);
+  @Output() select: EventEmitter<VocabularyTreeItemType> = new EventEmitter<VocabularyTreeItemType>(null);
 
   /**
    * An event fired when a vocabulary entry is deselected.
-   * Event's payload equals to {@link VocabularyEntryDetail} deselected.
+   * Event's payload equals to {@link VocabularyTreeItemType} deselected.
    */
-  @Output() deselect: EventEmitter<VocabularyEntryDetail> = new EventEmitter<VocabularyEntryDetail>(null);
-
-  /**
-   * A boolean representing if user is authenticated
-   */
-  private isAuthenticated: Observable<boolean>;
+  @Output() deselect: EventEmitter<VocabularyTreeItemType> = new EventEmitter<VocabularyTreeItemType>(null);
 
   /**
    * Array to track all subscriptions and unsubscribe them onDestroy
@@ -157,15 +158,9 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
    * Initialize instance variables
    *
    * @param {VocabularyTreeviewService} vocabularyTreeviewService
-   * @param {vocabularyService} vocabularyService
-   * @param {Store<CoreState>} store
-   * @param {TranslateService} translate
    */
   constructor(
     private vocabularyTreeviewService: VocabularyTreeviewService,
-    private vocabularyService: VocabularyService,
-    private store: Store<CoreState>,
-    private translate: TranslateService,
   ) {
     this.treeFlattener = new VocabularyTreeFlattener(this.transformer, this.getLevel,
       this.isExpandable, this.getChildren);
@@ -187,7 +182,8 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
    * @param level The node level information
    */
   transformer = (node: TreeviewNode, level: number) => {
-    const existingNode = this.nodeMap.get(node.item.id);
+    const entryId = this.getEntryId(node.item);
+    const existingNode = this.nodeMap.get(entryId);
 
     if (existingNode && existingNode.item.id !== LOAD_MORE && existingNode.item.id !== LOAD_MORE_ROOT) {
       return existingNode;
@@ -204,7 +200,7 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
       node.isInInitValueHierarchy,
       node.isSelected,
     );
-    this.nodeMap.set(node.item.id, newNode);
+    this.nodeMap.set(entryId, newNode);
 
     if ((((level + 1) < this.preloadLevel) && newNode.childrenLoaded)
       || (newNode.isSearchNode && newNode.childrenLoaded)
@@ -259,7 +255,8 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
 
     this.loading = this.vocabularyTreeviewService.isLoading();
 
-    this.vocabularyTreeviewService.initialize(this.vocabularyOptions, new PageInfo(), this.selectedItems, null);
+    const entryId: string = (this.selectedItems?.length > 0) ? this.getEntryId(this.selectedItems[0]) : null;
+    this.vocabularyTreeviewService.initialize(this.vocabularyOptions, new PageInfo(), this.getSelectedEntryIds(), entryId);
   }
 
   /**
@@ -267,7 +264,7 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
    * @param item The VocabularyEntryDetail for which to load more nodes
    */
   loadMore(item: VocabularyEntryDetail) {
-    this.vocabularyTreeviewService.loadMore(item, this.selectedItems);
+    this.vocabularyTreeviewService.loadMore(item, this.getSelectedEntryIds());
   }
 
   /**
@@ -275,7 +272,7 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
    * @param node The TreeviewFlatNode for which to load more nodes
    */
   loadMoreRoot(node: TreeviewFlatNode) {
-    this.vocabularyTreeviewService.loadMoreRoot(node, this.selectedItems);
+    this.vocabularyTreeviewService.loadMoreRoot(node, this.getSelectedEntryIds());
   }
 
   /**
@@ -283,18 +280,18 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
    * @param node The TreeviewFlatNode for which to load children nodes
    */
   loadChildren(node: TreeviewFlatNode) {
-    this.vocabularyTreeviewService.loadMore(node.item, this.selectedItems, true);
+    this.vocabularyTreeviewService.loadMore(node.item, this.getSelectedEntryIds(), true);
   }
 
   /**
    * Method called on entry select/deselect
    */
   onSelect(item: VocabularyEntryDetail) {
-    if (!this.selectedItems.includes(item.id)) {
-      this.selectedItems.push(item.id);
+    if (!this.getSelectedEntryIds().includes(this.getEntryId(item))) {
+      this.selectedItems.push(item);
       this.select.emit(item);
     } else {
-      this.selectedItems = this.selectedItems.filter((detail: string) => { return detail !== item.id; });
+      this.selectedItems = this.selectedItems.filter((detail: VocabularyTreeItemType) => this.getEntryId(detail) !== this.getEntryId(item));
       this.deselect.emit(item);
     }
   }
@@ -308,7 +305,7 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
         this.storedNodeMap = this.nodeMap;
       }
       this.nodeMap = new Map<string, TreeviewFlatNode>();
-      this.vocabularyTreeviewService.searchByQuery(this.searchText, this.selectedItems);
+      this.vocabularyTreeviewService.searchByQuery(this.searchText, this.getSelectedEntryIds());
     }
   }
 
@@ -325,12 +322,8 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
   reset() {
     this.searchText = '';
     for (const item of this.selectedItems) {
-      this.subs.push(this.vocabularyService.findEntryDetailById(item, this.vocabularyOptions.name, true, true, false).pipe(
-        getFirstSucceededRemoteDataPayload(),
-      ).subscribe((detail: VocabularyEntryDetail) => {
-        this.deselect.emit(detail);
-      }));
-      this.nodeMap.get(item).isSelected = false;
+      this.deselect.emit(item);
+      this.nodeMap.get(this.getEntryId(item)).isSelected = false;
     }
     this.selectedItems = [];
 
@@ -361,14 +354,27 @@ export class VocabularyTreeviewComponent implements OnDestroy, OnInit, OnChanges
   }
 
   /**
-   * Return an id for a given {@link VocabularyEntry}
+   * Return an id for a given {@link VocabularyTreeItemType}
    */
-  private getEntryId(entry: VocabularyEntry): string {
-    return entry.authority || entry.otherInformation.id || undefined;
+  private getEntryId(entry: VocabularyTreeItemType): string {
+    return entry?.authority || entry?.otherInformation?.id || (entry as any)?.id || undefined;
+  }
+
+  /**
+   * Return an ids for all selected entries
+   */
+  private getSelectedEntryIds(): string[] {
+    return this.selectedItems
+      .map((entry: VocabularyTreeItemType) => this.getEntryId(entry))
+      .filter((value) => isNotEmpty(value));
   }
 
   ngOnChanges(changes: SimpleChanges): void {
-    this.reset();
-    this.vocabularyTreeviewService.initialize(this.vocabularyOptions, new PageInfo(), this.selectedItems, null);
+    if (!changes.vocabularyOptions.isFirstChange() && changes.vocabularyOptions.currentValue !== changes.vocabularyOptions.previousValue) {
+      this.selectedItems = [];
+      this.searchText = '';
+      this.vocabularyTreeviewService.cleanTree();
+      this.vocabularyTreeviewService.initialize(this.vocabularyOptions, new PageInfo(), this.getSelectedEntryIds(), null);
+    }
   }
 }
diff --git a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.service.ts b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.service.ts
index 0cf951bfafc..83266b1b5f6 100644
--- a/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.service.ts
+++ b/src/app/shared/form/vocabulary-treeview/vocabulary-treeview.service.ts
@@ -260,7 +260,7 @@ export class VocabularyTreeviewService {
     const hasChildren = entry.hasOtherInformation() && (entry.otherInformation as any)!.hasChildren === 'true';
     const pageInfo: PageInfo = this.pageInfo;
     const isInInitValueHierarchy = this.initValueHierarchy.includes(entryId);
-    const isSelected: boolean = selectedItems.some(() => selectedItems.includes(entry.id));
+    const isSelected: boolean = selectedItems.some(() => selectedItems.includes(entryId));
     const result = new TreeviewNode(
       entry,
       hasChildren,
diff --git a/src/app/shared/search/search-filters/search-filter/search-hierarchy-filter/search-hierarchy-filter.component.ts b/src/app/shared/search/search-filters/search-filter/search-hierarchy-filter/search-hierarchy-filter.component.ts
index a4c105b21f8..34427809199 100644
--- a/src/app/shared/search/search-filters/search-filter/search-hierarchy-filter/search-hierarchy-filter.component.ts
+++ b/src/app/shared/search/search-filters/search-filter/search-hierarchy-filter/search-hierarchy-filter.component.ts
@@ -126,6 +126,7 @@ export class SearchHierarchyFilterComponent extends SearchFacetFilterComponent i
       name: this.getVocabularyEntry(),
       closed: true,
     };
+    modalRef.componentInstance.showAdd = false;
     this.subs.push(from(modalRef.result).pipe(
       switchMap((detail: VocabularyEntryDetail) => this.searchConfigService.selectNewAppliedFilterParams(this.filterConfig.name, detail.value, 'equals')),
       take(1),
diff --git a/src/assets/i18n/en.json5 b/src/assets/i18n/en.json5
index a9529900c2d..e33a1652b7b 100644
--- a/src/assets/i18n/en.json5
+++ b/src/assets/i18n/en.json5
@@ -1034,8 +1034,12 @@
 
   "browse.metadata.srsc.breadcrumbs": "Browse by Subject Category",
 
+  "browse.metadata.srsc.tree.descrption": "Select a subject to add as search filter",
+
   "browse.metadata.nsi.breadcrumbs": "Browse by Norwegian Science Index",
 
+  "browse.metadata.nsi.tree.descrption": "Select an index to add as search filter",
+
   "browse.metadata.title.breadcrumbs": "Browse by Title",
 
   "pagination.next.button": "Next",