Marco Roos Associate professor Name Dr. M.C. Roos Telephone +31 71 527 2727 E-mail m.c.roos@biology.leidenuniv.nl News 17 June 2019 Counting plants and small freshwater creatures for citizen science 02 June 2009 Plant species disappear and reappear Associate professor Science Instituut Biologie Leiden IBL onderwijs Work address Sylvius Sylviusweg 72 2333 BE Leiden Contact +31 71 527 2727 m.c.roos@biology.leidenuniv.nl Publications No relevant ancillary activities Share on Facebook Share on X Share on LinkedIn Share by WhatsApp> Share by Mastodon