Geissorhiza white flowers near Greyton

These delightful white flowers were found on a slope near water north of Greyton. It was thought to be a Geissorhiza. Geissorhiza ovata would be pinkish on the outside of the petals, while G. nana is said to bear single flowers only. It might be the white form of G. aspera that according to Vlok and Schutte-Vlok (2010) does exist. There are about 84 geissorhizas to choose from, many of them with white flowers! And then there are also some members of the Hesperantha genus with similar flowers.