Kentranthus ruber Ocymastrum sibthorpii Ocymastrum rubrum Valeriana alba Valeriana hortensis Centranthus latifolius Centranthus marinus Centranthus maritimus Centranthus ruber Centranthus ruber var. sibthorpii Centranthus ruber var. velenovskyi Centranthus sibthorpii Centranthus velenovskyi Valeriana florida Centranthus maritimus Centranthus ruber subsp. sibthorpii
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024