Halford (F.Muell.) 1992 - Halford DA (1992) REVIEW OF THE GENUS OLDENLANDIA L. (RUBIACEAE) AND RELATED GENERA IN AUSTRALIA. Austrobaileya 3: 683-722. Retrieved from http://www.jstor.org/stable/41738812
There is no corrections for Oldenlandia mitrasacmoides subsp. trachymenoides yet.