Kress W John, Knapp Sandra, Stoev Pavel, Penev Lyubomir
National Museum of Natural History, Smithsonian Institution, Washington DC, USA.
Department of Life Sciences, The Natural History Museum, London, United Kingdom.
PhytoKeys. 2018 Jun 21(100):1-9. doi: 10.3897/phytokeys.100.27591. eCollection 2018.