References

For Asparagus

Kubitzki, K., and P.J. Rudall. 1998. Asparagaceae. Pp. 125-129. 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

Straley, G.B., and F.H. Utech. 2002b. Asparagus. 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