Diane & Hilger (Schinz) 2003 - Hilger HH, Diane N A systematic analysis of Heliotropiaceae (Boraginales) based on trnL and ITS1 sequence data. Botanische Jahrbücher 125(1): 19-51. doi: 10.1127/0006-8152/2003/0125-0019.
There is no corrections for Euploca rariflora subsp. hereroensis yet.