%0 Journal Article %T Direct and indirect effects of climate change on St John's wort, Hypericum perforatum L. (Hypericaceae) %A Fox, Laurel R. %A Ribeiro, Sérvio P. %A Brown, Valerie K. %A Masters, Gregory J. %A Clarke, Ian P. %J Oecologia %V 120 %N 1 %P 113-122 %@ 0029-8549 %D 1999-07-19 %I Springer-Verlag %~ DeepDyve