Field book of western wild flowers

"This was the first comprehensive handbook to supply detailed information about the plethora of flowers growing in the western United States and includes detailed information on seventy-five plant families, like water-plantain, lilly, buttercup, poppy, mustard, hydrangea, plum, rose, cactus, wintergreen, figwort, and valerian families, and many others. Armstrong includes information on key characteristics of each species, including height, leaf and petal features, colors, where each flower can most likely be found, ideal conditions they flourish in, and much more"--Back cover.