References

The plant list 2010. <URL:http://www.theplantlist.org/>. Accessed 25 February 2011.

St. john's wort 2010. < URL:http://www.dpi.vic.gov.au/dpi/nreinf.nsf/LinkView/>. Accessed 25 February 2011.

St. johnswort. <URL:http://sbsc.wr.usgs.gov/research/projects/swepic/factsheets/hypesf_infop.pdf>. Accessed 27 February 2011.

Springer, L. 2003. Hypericums. Country Living Gardener 11:10-13.

Miyawaki, E. 1998. Listening to St. John's wort. Atlantic Monthly 281:40-43.

Hypericum perforatum l. (klamath weed) 2007. <URL:http://el.erdc.usace.army.mil/pmis/mergedprojects/Plants/html.htm >. Accessed 27 February 2011.

Hypericum perforatum:-st. johnswort 2011. <URL:http://www.wildflowers-and-weeds.com/weedsinfo/Hypericum_perforatum.htm>. Accessed 25 February 2011.

Hypericum calycinum. <URL:http://hcs.osu.edu/hcs/tmi/plantlist/hy_cinum.html>. Accessed 14 March 2011.

Hardiness and heat-tolerance: understanding planting zones. <URL: http://www.dannylipford.com/hardiness-and-heat-tolerance-understanding-your-zone/>. Accessed 1 March 2011.

Farrar, M. 2005. St. John's wort. Better Nutrition 67:8-9.

Challem, J. 2010. A saintly herb. Better Nutrition 72:18-19.

Asexual reproduction in plants 2010. < URL: http://www.gardenguides.com/130630-asexual-reproduction-plants.htm>. Accessed 1 March 2011.

2006. Update on St. John's wort. Harvard Mental Health Letter 22:5-6.

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