Frohlich, M. W., Thulin, M., & Chase, M. W. (2020). Ninety-three new combinations in Euploca for species of Heliotropium section Orthostachys (Boraginaceae sensu APG). Phytotaxa, 434(1), 13. https://doi.org/10.11646/phytotaxa.434.1.2
Chicago Style (17th ed.) CitationFrohlich, Michael W., Mats Thulin, and Mark W. Chase. "Ninety-three New Combinations in Euploca for Species of Heliotropium Section Orthostachys (Boraginaceae Sensu APG)." Phytotaxa 434, no. 1 (2020): 13. https://doi.org/10.11646/phytotaxa.434.1.2.
MLA (9th ed.) CitationFrohlich, Michael W., et al. "Ninety-three New Combinations in Euploca for Species of Heliotropium Section Orthostachys (Boraginaceae Sensu APG)." Phytotaxa, vol. 434, no. 1, 2020, p. 13, https://doi.org/10.11646/phytotaxa.434.1.2.