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684by Brown, Kimberly M., Zeeb, Barbara A., Smol, John P., Pienitz, ReinhardGet access
Published in Canadian Journal of Botany (1997)
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685by Helander, M. L., Sieber, T. N., Petrini, O., Neuvonen, S.Get access
Published in Canadian Journal of Botany (1994)
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686
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699by Tribsch, Andreas, Schönswetter, Peter, Stuessy, Tod F.Get access
Published in American Journal of Botany (2002)
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700