Sarvi, A., Beygom Faghir, M. and Shahi Shavvon, R. 2021.

Polygala guilanica (Polygalaceae), a new species from Guilan Province, N Iran

. Phytotaxa. 513, 2 (Aug. 2021), 141–151. DOI:https://doi.org/10.11646/phytotaxa.513.2.5.