References
For Caulophyllum
Brett, J.F., and U. Posluszny. 1982. Floral development in Caulophyllum thalictroides (Berberidaceae). Can. J. Bot. 60(10):2133-2141. Google Scholar
Haines, A.A. 2003c. Identification of Caulophyllum giganteum. Botanical Notes 9: 3-5. Google Scholar
Loconte, H. 1993. Berberidaceae. Pp. 147-152 In Kubitzki, K., J.G. Rohwer, and V. Bittrich, eds. 1993. The families and genera of vascular plants. II. Flowering plants – Dicotyledons – Magnoliid, Hamamelid and Caryophyllid families. Springer, Berlin. 653 pp. Google Scholar
Loconte, H. 1997. Caulophyllum. In Flora of North America Editorial Committee. 1997. Flora of North America north of Mexico. Volume 3, Magnoliophyta: Magnoliidae and Hamamelidae. Oxford Univ. Press, New York, NY. 590 pp. Google Scholar
Loconte, H., and W.H. Blackwell. 1981. A new species of blue cohosh (Caulophyllum, Berberidaceae) in eastern North America. Phytologia 49: 483. Google Scholar
Loconte, H., and W.H. Blackwell. 1984. Berberidaceae in Ohio. Castanea 49: 39-43. Google Scholar
Loconte, H., and W.H. Blackwell. 1985. Intrageneric taxonomy of Caulophyllum (Berberidaceae). Rhodora 87: 463-469. Google Scholar
Stearn, W.T. 2002. The genus Epimedium and other herbaceous Berberidaceae, including the genus Podophyllum. Timber Press, Portland, OR. Google Scholar
Uttal, L.J. 1985. Virginia's two kinds of blue cohosh. Jeffersonia 16: 20-27. Google Scholar