Pole-Evans, I.B., Phillips, E.P., Dyer, R.A., flowering plants of South Africa (flowering plants of Africa) [originals]

sets

Pole-Evans, I.B., Phillips, E.P., Dyer, R.A., Codd, L.E., The flowering plants of South Africa (flowering plants of Africa) [originals]
Fl. Pl. S. Afr.