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The typical variety of Aniseroot has hairless stems. This species closely resembles Osmorhiza claytonii (Sweet Cicely) and is often confused with it. However, Sweet Cicely has only 4-7 flowers per umbellet, while Aniseroot usually has 8-16 flowers per umbellet (less often 7). The styles in the flowers of Sweet Cicely are up to 1.5 mm (shorter than the petals), while the styles in the flowers of Aniseroot are at least 2.0 mm (as long or longer than the petals). Another difference between these two species is the appearance of the foliage