Hirtella acayacensis Hirtella americana var. hexandra Hirtella americana var. oblongifolia Hirtella coriacea Hirtella filiformis Hirtella hexandra Hirtella nitida Hirtella oblongifolia Hirtella rosea Hirtella racemosa var. oblongifolia
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024