المؤلفون: Olmstead, Richard G., dePamphilis, Claude W., Wolfe, Andrea D., Young, Nelson D., Elisons, Wayne J., Reeves, Patrick A.

المصدر: American Journal of Botany, 2001 Feb 01. 88(2), 348-361.

URL الوصول: https://www.jstor.org/stable/2657024