app/assets/javascripts/spree/backend/taxon_autocomplete.js in spree_backend-3.0.10 vs app/assets/javascripts/spree/backend/taxon_autocomplete.js in spree_backend-3.1.0.rc1

@@ -10,9 +10,10 @@
       placeholder: Spree.translations.taxon_placeholder,
       multiple: true,
       initSelection: function (element, callback) {
         var url = Spree.url(Spree.routes.taxons_search, {
           ids: element.val(),
+          without_children: true,
           token: Spree.api_key
         });
         return $.getJSON(url, null, function (data) {
           return callback(data['taxons']);
         });