advwp_create_series_template.php

<?php
// The function to create a taxonomy archive within a
// plugin is nearly identical to creating the post type
// archive, except instead of using is_post_type_archive()
// we use is_tax().
function advwp_create_series_template( $archive ) {
  global $post;

  if ( is_tax( 'series' ) ) {
    return plugin_dir_path( __FILE__ ) . 'public/templates/taxonomy-series.php';
  }

  return $archive;
}

add_filter( 'archive_template', 'advwp_create_series_template' );
?>