Lye (Kük.) 1983 - Lye KA (1983) Studies in African Cyperaceae 27. Miscellaneous new taxa and combinations. Nordic Journal of Botany 3(2): 241-244. doi: 10.1111/j.1756-1051.1983.tb01072.x.
There is no corrections for Machaerina flexuosa subsp. polyanthemum yet.