94,129
edits
Changes
→References
==References==
==References==
<references/>
<references/>
*[http://www.pfaf.org/database/plants.php?Echinacea+purpurea Plants for a Future] - creative commons text incorporated
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
<!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 -->
<!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 -->