References

Borsch, T., J.H. Wiersema, C.B. Hellquist, C. Löhne, and K. Govers. 2014. Speciation in North American water lilies: evidence for the hybrid origin of the newly discovered Canadian endemic Nymphaea loriana sp. nov. (Nymphaeaceae) in a past contact zone. Botany 92: 867-882. Google Scholar