Hawthorn

Hawthorn is a berry from the northern hemisphere in Europe, Asia, and North America.

Also known as: Crataegus Pinnatifid, Thorn Apple, Whitethorn, Hawberry

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https://www.lifeextension.com/Magazine/2013/2/novel-support-for-chronic-heart-failure-arrhythmia-and-coronary-artery-blockage/Page-01