References
For Convallaria
Conran, J.G., and M.N. Tamura. 1998. Convallariaceae. Pp. 186-198. In Kubitzki, K., ed. 1998a. The families and genera of vascular plants. III. Flowering plants – Monocotyledons – Lilianae (except Orchidaceae). Springer, Berlin. 478 pp. Google Scholar
Gandhi, K.N., J.L. Reveal, and J.L. Zarucchi. 2012. Nomenclatural and taxonomic analysis of Convallaria majalis, C. majuscula, and C. montana (Ruscaceae/Liliaceae). Phytoneuron 2012-17: 1-4. Google Scholar
Judd, W.S. 2003. The genera of Ruscaceae in the southeastern United States. Harvard Papers in Botany 7: 93-149. Google Scholar
Utech, F.H. 2002l. Convallaria. In Flora of North America Editorial Committee. 2002a. Flora of North America north of Mexico. Volume 26, Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York, NY. 723 pp. Google Scholar