References
Munz, P.A. 1944. Studies in Onagraceae. XIII. The American species of Ludwigia. Bull. Torrey Bot. Club 71: 152-165. Google Scholar
Munz, P.A. 1944. Studies in Onagraceae. XIII. The American species of Ludwigia. Bull. Torrey Bot. Club 71: 152-165. Google Scholar