Rubeola heterophylla Crucianella repens Crucianella catellata Crucianella vulgaris Crucianella latifolia var. monspeliaca Crucianella latifolia subvar. monspeliaca Rubeola latifolia Crucianella procumbens Crucianella monspeliaca
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024