Serratula flavescens var. propinqua Serratula mucronata Serratula propinqua Serratula cichoracea subsp. mucronata Serratula flavescens var. mucronata Serratula cichoracea var. propinqua Serratula cichoracea subsp. mucronata Serratula heterophylla Serratula flavescens subsp. mucronata Klasea mucronata
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024