Yuan, Q. and Yang, Q.-E. 2017.

Ranunculus angustisepalus (Ranunculaceae) is an Oxygraphis and conspecific with O. delavayi

. Phytotaxa. 319, 1 (Aug. 2017), 103–110. DOI:https://doi.org/10.11646/phytotaxa.319.1.6.