Kopsia schultzii Orobanche schwingenschussi Orobanche stricta Phelypaea pyramidalis Phelypaea rufescens Phelypaea schultzii Phelypaea stricta Phelipanche schultzii Phelipanche schwingenschussii Kopsia schultzii var. stricta Orobanche schultzii f. stricta Orobanche schultzii f. pyramidalis Orobanche schultzii var. alexandrina Phelypaea mutelii subsp. pulchra Orobanche trichocalyx f. lusitanica Orobanche caerulea Orobanche schultzii var. pyramidalis Orobanche schwingenschussii Kopsia stricta Phelypaea pulchra Orobanche schultzii var. stricta
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024