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Echinocactus horizonthalonius
This alphabetical listing of cactus plants in flower reflects a photographer’s interaction with the world of cactaceae, not a botanist’s use of photography to elaborate insights to a unique plant kingdom. Digital files of the images are available free of charge for educational or non-commercial use and inquiries should be addressed to . The images illustrated are part of a continuing project to photograph as many species of cacti as possible and is constantly being updated and expanded.
ALL RIGHTS RESERVED. COPYRIGHT JOHN P. SCHAEFER.
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