2 varieties, Romulea flava var. minor naturalized in Australia. This variety is distinguished from Romulea flava var.flava, which is occasionally cultivated as an ornamental garden plant, by the latter having flowers more than 2.5 cm long. See account under R. flava var. minor.
Source:
Conn, B.J. (1994). Iridaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 686–716. Inkata Press, Melbourne.
