query: PREFIX entity: <http://www.wikidata.org/entity/>
  
  SELECT ?taxon ?taxonname WHERE {
    ?tree0 wdt:P171* ?taxon.
    BIND(entity:Q1934004 AS ?tree0)
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en".
      ?taxon rdfs:label ?taxonname.
    }
  }