query: # Select species in the Rosaceae family together with their plant list link where given
  SELECT ?item ?taxon_name ?PL_id ?PLLink   WHERE {
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
    ?item p:P225 ?stat . 
    ?stat ps:P225 ?taxon_name .
    ?item wdt:P171/wdt:P171 wd:Q156569 . # parent taxon of parent taxon is Q156569 (Rosaceae)
    OPTIONAL { ?item wdt:P1070 ?PL_id } # PlantList ID
    ?item wdt:P105 wd:Q7432. # taxon rank is species
    bind(uri(concat("http://www.theplantlist.org/tpl1.1/record/",?PL_id)) as ?PLLink)  
    MINUS {?stat pq:P405 ?taxon_author.}
  }
  ORDER BY ?taxon_name