The 35th species was spotted in 2016 by Tom DeMent while surveying a forest near Laupāhoehoe on Hawai‘i Island.[4] It was named S. haakoaensis in 2022.[5]
^"Schiedea Cham. & Schltdl". Germplasm Resources Information Network. United States Department of Agriculture. 2004-01-16. Retrieved 2009-11-16.
^Wagner, Warren L.; Weller, Stephen G.; Sakai, Ann (2005). "Monograph of Schiedea (Caryophyllaceae–Alsinoideae)". Systematic Botany Monographs. 72: 169 pp. ISBN0-912861-72-X.