Variation in Hypericum perforatum L. (St. John's wort) in New South Wales.
M. H. Campbell, C. E. May, I. Southwell, J. D. Tomlinson +4 more
199726 citations
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M. H. Campbell, C. E. May, I. Southwell, J. D. Tomlinson +4 more
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P. Syrett, P. Jupp, D. Briese, R. Groves
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P. Jupp, L. M. Mladovan, D. Paton, J. Virtue +3 more
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