Conospermum caeruleum subsp. debile Conospermum caeruleum subsp. spathulatum Conospermum caeruleum subsp. oblanceolatum Conospermum caeruleum subsp. marginatum Conospermum caeruleum subsp. contortum
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024