Sweet, R. (1826), Sweet's Hortus Britannicus Edn. 1, 2: 395 [primary reference]

• Comment: Not published by Sweet, loc. cit. – where published?

Clarke, G.H. (1935), Journal of the Department of Agriculture South Australia 35: 527 [secondary reference]

Clarke, G.H. (1939), Important Weeds of South Australia 2: 30 [secondary reference]

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