Wordpress custom Taxonomies not useable by other Plugin -

have made plugin cpt , taxonomies, shown in wp-admin. every thing works fine. can add tags , categories.

but when try use categories or tags other plugin ( e.g. grid or ultimate posts ) there not shown wit these plugins.

here code:

    function custom_taxonomies_bushow() {  //nicht-hierarchische taxonomie für die bus merkmale           $labels = array(                'name'                       => __( 'bus merkmale'),                'singular_name'              => __( 'bus merkmale'),                'search_items'               => __( 'bus merkmale durchsuchen' ),                'popular_items'              => __( 'beliebte bus merkmale' ),                'all_items'                  => __( 'alle bus merkmale' ),                'parent_item'                => null,                'parent_item_colon'          => null,                'edit_item'                  => __( 'bus merkmale bearbeiten' ),                'update_item'                => __( 'bus merkmale aktualisieren' ),                'add_new_item'               => __( 'neues bus merkmal hinzufügen' ),                'new_item_name'              => __( 'neues bus merkmal' ),                'separate_items_with_commas' => __( 'bus merkmale mit kommas trennen' ),                'add_or_remove_items'        => __( 'bus merkmale hinzufügen oder entfernen' ),                'choose_from_most_used'      => __( 'aus den meist verwendeten bus merkmalen aussuchen' ),                'not_found'                  => __( 'keine bus merkmale gefunden.' ),                'menu_name'                  => __( 'bus merkmale' ),          );           $args = array(                'hierarchical'          => false,                'labels'                => $labels,                'show_ui'               => true,                'public'                => true,                'show_admin_column'     => true,                'update_count_callback' => '_update_post_term_count',                'query_var'             => true,                'rewrite'               => array( 'slug' => 'bus-merkmal' ),          );          register_taxonomy( 'bus_merkmal', 'bullishow', $args );  //hierarchische taxonomie für die bus kategorie           $labels = array(                'name'              => __( 'bus kategorien'),                'singular_name'     => __( 'bus kategorie'),                'search_items'      => __( 'bus kategorien durchsuchen' ),                'all_items'         => __( 'alle bus kategorieen' ),                'parent_item'       => __( 'Übergeordnete bus kategorie' ),                'parent_item_colon' => __( 'Übergeordnete bus kategorie:' ),                'edit_item'         => __( 'bus kategorie bearbeiten' ),                'update_item'       => __( 'bus kategorie aktualisieren' ),                'add_new_item'      => __( 'neue bus kategorie erstellen' ),                'new_item_name'     => __( 'neue bus kategorie' ),                'menu_name'         => __( 'bus kategorie' ),          );           $args = array(                'hierarchical'      => true,                'labels'            => $labels,                'show_ui'           => true,                'public'            => true,                'show_admin_column' => true,                'query_var'         => true,                'rewrite'           => array( 'slug' => 'bus-kategorie' ),          );           register_taxonomy( 'bus_kategorie', array( 'bullishow' ), $args ); }  add_action( 'init', 'custom_taxonomies_bushow', 0 );  function bulli_custom_post_type() {  $labels = array( 'name' => 'bullishow einträge', 'singular_name' => 'bullishow', 'menu_name' => 'bullishow', 'parent_item_colon' => '', 'all_items' => 'alle busse', 'view_item' => 'busse ansehen', 'add_new_item' => 'neuer buss', 'add_new' => 'hinzufügen', 'edit_item' => 'bus bearbeiten', 'update_item' => 'bus aktualisieren', 'search_items' => '', 'not_found' => '', 'not_found_in_trash' => '', ); $rewrite = array( 'slug' => 'bullishow', 'with_front' => true, 'pages' => true, 'feeds' => true, ); $args = array( 'labels' => $labels, 'supports' => array( 'title', 'editor', 'excerpt', 'thumbnail', 'comments', 'trackbacks', ), 'taxonomies' => array( 'bus_kategorie', 'bus_merkmal' ), 'hierarchical' => false, 'public' => true, 'show_ui' => true, 'show_in_menu' => true, 'show_in_nav_menus' => true, 'show_in_admin_bar' => true, 'menu_position' => 5, 'can_export' => false, 'has_archive' => true, 'exclude_from_search' => false, 'publicly_queryable' => true, 'rewrite' => $rewrite, 'capability_type' => 'page', ); register_post_type( 'bullishow', $args );  }    // hook 'init' action add_action( 'init', 'bulli_custom_post_type', 0 ); 

i have add more text, says stckoverflow. here more....