Seed size, number and strategies in annual plants: a comparative functional analysis and synthesis by Hodgson, JG, Marti, GM, Šerá, B, Jones, G, Bogaard, A, Charles, M, Font, X, Ater, M, Taleb, A, Santini, BA, Hmimsa, Y, Palmer, C, Wilson, PJ, Band, SR, Styring, A, Diffey, C, Green, L, Nitsch, E, Stroud, E, Warham, G