PeerJ Author 200 Points Contributions by role Author 200 Contributions by subject area Biodiversity Biogeography Conservation Biology Plant Science Taxonomy Genomics Molecular Biology Gustavo Hassemer PeerJ Author Summary Biodiversity Conservation Biology Plant Science Taxonomy Past or current institution affiliations Universidade Federal de Mato Grosso do Sul Work details Professor Universidade Federal de Mato Grosso do Sul November 2019 Câmpus de Três Lagoas PeerJ Contributions Articles 2 August 25, 2021 Plantago campestris (Plantaginaceae), a rare new species from southern Brazil, supported by phylogenomic and morphological evidence Gustavo Hassemer, Elliot M. Gardner, Nina Rønsted https://doi.org/10.7717/peerj.11848 PubMed 34527433 May 17, 2016 Yet another new species from one of the best-studied neotropical areas: Plantago humboldtiana (Plantaginaceae), an extremely narrow endemic new species from a waterfall in southern Brazil Gustavo Hassemer, Nina Rønsted https://doi.org/10.7717/peerj.2050 PubMed 27231665