Aristida nealleyi Aristida purpurea var. glauca Aristida purpurea var. nealleyi Aristida reverchonii Aristida reverchonii var. angusta Aristida stricta var. nealleyi Aristida vaseyi Chaetaria glauca
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024