[1]
Zhou, J., Wei, J., Niu, J., Liu, X. and Liu, Z. 2021. Molecular phylogenetics of Pterocyclus (Apiaceae) based on nrDNA ITS sequences: revised circumscription with a restored species. Phytotaxa. 498, 2 (Apr. 2021), 131–138. DOI:https://doi.org/10.11646/phytotaxa.498.2.6.