Ocymastrum calcitrapa Valeriana parviflora Rittera calcitrapa Centranthus calcitrapae Centranthus calcitrapae subsp. gutierrezii Centranthus clausonis Centranthus pinnatifidus Hybidium calcitrapa Valeriana steveni Centranthus calcitrapae subsp. trichocarpus Valeriana annua
World Flora Online, accessed June 20, 2024