[1]
Woźniak-Chodacka, M. 2017.

Nomenclatural notes and neotypification of Oenothera biennis var. sulphurea (Onagraceae)

. Phytotaxa. 296, 2 (Feb. 2017), 180–186. DOI:https://doi.org/10.11646/phytotaxa.296.2.7.