Glycosma ambiguum Glycosma maxima Washingtonia brevipes Osmorhiza ambigua Myrrhis occidentalis Myrrhis bolanderi Myrrhis ambigua Glycosma bolanderi Washingtonia claytonii Washingtonia hildebrandtii
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024