Chester A. Reed, Flower Guide: Wild Flowers East of the Rockies
“ While to flower lovers this may appear to be the most beautiful species of the family, it is the most heartily detested weed with which the farmer has to contend. It is very prolific, and each individual plant strikes its roots deep into the ground, as though determined to defy extermination. The fully-opened flower clusters have an exquisite, lace-like appearance, while those half-opened are hollowed suggestively like a bird’s nest ”
