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CommentsThe Wild Geranium (Geranium maculatum) is the showiest of the native geraniums in Illinois with flowers at least 1" across. All of the others are far less showy because they have smaller flowers. There is a European species, Geranium pratense (Meadow Geranium), with equally large flowers, but it has not been observed in the wild in Illinois. This species has a similar appearance to the Wild Geranium, except that the hairs on its flowering stalks and pedicels are sticky-glandular, and its leaves are more divided and finely cut. Another European species, Geranium sanguineum (Long-Stalked Geranium), is rarely observed as a naturalized plant in Illinois. It has flowers with notched petals and its leaves are smaller in size.