query: SELECT ?taxon_name (COUNT(DISTINCT ?item) AS ?count)
  WHERE
  {
      {?item wdt:P9076 ?ausfungiID.} UNION {?item wdt:P1391 ?IF_ID.}
      ?item wdt:P225 ?taxon_name.
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en" }
  }
  GROUP BY ?taxon_name 
  ORDER BY DESC(?count)
  #LIMIT 200