Norge Stinging nettle Urtica dioica Urtica urens botanical brennesle brenneslesuppe common nettle edible flora food green grøftekant grønn grønnsak grønt hage harvest harvesting healthy herbaceous mat medicinal medisinplante nesle neslesuppe nettle nettle soup nettles norsk organic perennial plant smånesle species spiselig spring stornesle summer sunn ugras ugress urt urter vill ville vekster vitaminer vitamins vår weed wild økologisk