Phylogenetic placement of Psilopeganum, a rare monotypic genus of Rutaceae (the citrus family) endemic to China
Marc S. Appelhans, Sabrina Krohm, Sara Manafzadeh, Jun Wen
J Syst Evol . 2016, (5): 535 -544 .  DOI: 10.1111/jse.12208