vegbien.sql: Moved parent_id from plantconcept to plantname, since plantnames themselves are unique according to their parent taxons (a species under one genus is not the same as a species under another genus)
vegbien.sql: Moved parent_id from plantconcept to plantname, since plantnames themselves are unique according to their parent taxons (a species under one genus is not the same as a species under another genus)