No idea why it should have this name as it doesn't seem to be toxic but it is protected "At this time of year the healing, red-stalked Herb Robert is in bloom, and according to tradition, you should be careful how you treat it. For to wantonly destroy the flower, which is under the protection of Robin Goodfellow, the household protector who was also known as 'Puck', (derived from the Old English Pucelas, 'wild men of the woods'), is to court disaster"

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[jpzk]

Great image with a similarly great story!
Well done ... colours are fantastic !