Campylanthus benthamii Campylanthus glaber var. puberulus Campylanthus glaber var. pumilus Campylanthus glaber subsp. spathulatus Campylanthus spathulatus Campylanthus benthamii var. glaber Campylanthus benthamii var. hirsutus
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024