Harley MM, Paton A, Harley RM, Cade PG (1992) Pollen morphological studies in tribe Ocimeae (Nepetoideae: Labiatae): I. Ocimum L. Grana 31(3): 161-176. doi: 10.1080/00173139209432027.
There is no corrections for Ocimum nummularia yet.