Bithell, S.L., B.A. McKenzie, G.W. Bourdot, G.D. Hill, and S.D. Wratten. 2002. “Germination Requirements of Laboratory Stored Seeds of Solanum Nigrum and Solanum Physalifolium”. New Zealand Plant Protection 55 (August): 222-27. https://doi.org/10.30843/nzpp.2002.55.3894.