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Species similar to Alliaria petiolata Click here to go back to Ecology tab Dentaria spp. In the north American region toothworts (Dentaria spp.), sweet cicely (Osmorhiza claytonia), and early saxifrage (Saxifraga virginica) are confused with A. petiolata because they also have small, white flowers and often share the same habitat. Note: These species are very dissimilar; there should be no confusion with flowering Alliaria (Nuzzo, V., pers. comm., 2003). Geum spp. In the north American region toothworts (Dentaria spp.), sweet cicely (Osmorhiza claytonia), and early saxifrage (Saxifraga virginica) are confused with A. petiolata because they also have small, white flowers and often share the same habitat. Note: These species are very dissimilar; there should be no confusion with flowering Alliaria (Nuzzo, V., pers. comm., 2003). A. petiolata is distinguished by the distinct garlic smell released when the leaves are crushed. In autumn, however, the identifying odor dissipates, causing confusion with violets (Viola spp.) and immature white avens (Geum canadense). The root can be examined to distinguish these plants. A. petiolata has a white, 'S'-shape taproot just below the base of the stem (Introduced Species Summary Project Garlic Mustard). Viola spp. In the north American region toothworts (Dentaria spp.), sweet cicely (Osmorhiza claytonia), and early saxifrage (Saxifraga virginica) are confused with A. petiolata because they also have small, white flowers and often share the same habitat. Note: These species are very dissimilar; there should be no confusion with flowering Alliaria (Nuzzo, V., pers. comm., 2003). A. petiolata is distinguished by the distinct garlic smell released when the leaves are crushed. In autumn, however, the identifying odor dissipates, causing confusion with violets (Viola spp.) and immature white avens (Geum canadense). The root can be examined to distinguish these plants. A. petiolata has a white, 'S'-shape taproot just below the base of the stem (Introduced Species Summary Project Garlic Mustard). Osmorhiza claytonia In the north American region toothworts (Dentaria spp.), sweet cicely (Osmorhiza claytonia), and early saxifrage (Saxifraga virginica) are confused with A. petiolata because they also have small, white flowers and often share the same habitat. Note: These species are very dissimilar; there should be no confusion with flowering Alliaria (Nuzzo, V., pers. comm., 2003). Saxifraga virginica In the north American region toothworts (Dentaria spp.), sweet cicely (Osmorhiza claytonia), and early saxifrage (Saxifraga virginica) are confused with A. petiolata because they also have small, white flowers and often share the same habitat. Note: These species are very dissimilar; there should be no confusion with flowering Alliaria (Nuzzo, V., pers. comm., 2003).