WCSP (2019). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Last accessed on Monday, 15 July, 2019.
Image #00 (cropped) & #01, #02 (original) (as Schumannianthus virgatus) used with the permission of the National Museum of Natural History, Smithsonian Institution, 10th and Constitution Ave. N.W., Washington, DC 20560-0193. Last accessed on Monday, 15 July, 2019.
data regenerated on Sat, 25 Jan 2020 16:48:01 -0500 [bcm v4.0]