https://species.wikimedia.org/wiki/Category:Pierre_Leonhard_Ibisch_taxa
Category:Pierre Leonhard Ibisch taxa - Wikispecies
categorypierreleonhardtaxawikispecies
https://biogeo.pages.cms.hu-berlin.de/website/author/pierre-l.-ibisch/
Pierre L. Ibisch | Conservation Biogeography Lab
Research at the Conservation Biogeography Lab in Berlin
pierrelconservationbiogeography