Echinacea request

P.M.Aspin at P.M.Aspin at
Mon Sep 25 21:38:17 EST 1995

Can anyone out there point me in the direction of papers/books
about the genus Echinacea, in particular, organicically grown Echinacea.
I am interested in all three species.
Thanks in advance, 
   Penny Aspin

e-mail = P.M.Aspin at

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