References
Eyde, R.H. 1977. Reproductive structures and evolution in Ludwigia (Onagraceae). I. Androecium, placentation, merism. Ann. Mo. Bot. Gard. 64: 644-655. Google Scholar
Eyde, R.H. 1977. Reproductive structures and evolution in Ludwigia (Onagraceae). I. Androecium, placentation, merism. Ann. Mo. Bot. Gard. 64: 644-655. Google Scholar