Trifolium micranthum Viv.
Viviani, D. (1824), Florae Libycae Specimen: 45, pl. 19, fig. 1
"H. in montibus Cyrenaicae."
Publication seen at K (Cat. no. qF2.51). Not known when first naturalised, but see P.M.Kloot, J. Adelaide Bot. Gard. 10 (1987) 237 with reference to seed for sale in 1912 and use in pasture plots in 1925.
Curtis, W.M. (1956), The Student's Flora of Tasmania 1: 153