text: A lot of bus stations in Clermont-Ferrand are not shown on most maps or popular smartphone-apps because the tag "public_transport=bus_stop" instead of the common tag "highway=bus_stop" is used
  
  With a few exceptions this is only the case in Clermont-Ferrand as can be seen here: http://overpass-turbo.eu/s/j8j
  
  one example is this bus stop at the airport