Reference

Svetlana E. Petrova, Mikhail N. Kozhin (2018): Heterostyly in Primula nutans ssp. finmarchica (Jacq.) Á. Löve & D. Löve (Primulaceae) from three northern coenopopulations (Kandalaksha Bay, White Sea) – Wulfenia – 25: 231 - 241.