"Anemone cylindrica" is one of several plants known as thimbleweed. Ransome apologises to the citizens of Thimbleweed Park, clearing his reputation. Wildflowers in the area include chicory, spring beauty, Dutchman's breeches, daisy fleabane and thimbleweed. Note that several other plant species are known as "thimbleweed". Yellow thimbleweed is recognized by its small single yellow flowers.