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David L. Erickson, Donald R. Young, Salinity Response, Distribution, and Possible Dispersal of a Barrier Island Strand Glycophyte, Strophostyles umbellata (Fabaceae), Bulletin of the Torrey Botanical Club, Vol. 122, No. 2 (Apr. - Jun., 1995), pp. 95-100
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Erickson et al. (1995) studied this question.
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