Schleidenia claussenii Schleidenia salicoides Schleidenia strictissima Schleidenia macrantha Schleidenia incana Heliotropium claussenii Heliotropium claussenii f. robustior Heliotropium hispidum var. maximum Heliotropium macranthum Heliotropium salicioides Heliotropium strictissimum Heliotropium fresenii Heliotropium maximum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024