PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Genetics Plant Science Taxonomy Jacob Koopman PeerJ Author Summary Biodiversity Plant Science PeerJ Contributions Articles 1 May 11, 2021 Morphological variability and genetic diversity in Carex buxbaumii and Carex hartmaniorum (Cyperaceae) populations Helena Więcław, Magdalena Szenejko, Thea Kull, Zofia Sotek, Ewa Rębacz-Maron, Jacob Koopman https://doi.org/10.7717/peerj.11372 PubMed 34026355