There were 3 illustrations found for M. Collin
2 868339 Ranunculus stagnalis Hochst. ex A. Rich.Fl. Congo Belge, vol. 2 : p. 179, t. 14 (1951) [M. Collin]
2 191940 Capparis tomentosa Lam.Fl. Congo Belge, vol. 2 : p. 463, t. 46 (1951) [M. Collin]
6 254437 Cleome gynandra L.Fl. Congo Belge, vol. 2 : p. 521, t. 51 (1951) [M. Collin]