Cheiranthus africanus Heliophila integrifolia Heliophila pilosa Heliophila stricta Heliophila arabioides Heliophila frutescens Heliophila incisa Orthoselis pilosa Pachystylum glabrum Heliophila pilosa var. digitata Heliophila pilosa var. incisa Heliophila pilosa var. integrifolia Heliophila trichinostyla Heliophila rostrata
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024