+As is the case with :ref:`notmuch-search`, the presentation of results
+can be controlled by the variable ``notmuch-search-oldest-first``.
+
+.. _notmuch-unthreaded:
+
+notmuch-unthreaded
+------------------
+
+``notmuch-unthreaded-mode`` is similar to :any:`notmuch-tree` in that
+each line corresponds to a single message, but no thread information
+is presented.
+
+Keybindings are the same as :any:`notmuch-tree`.
+