Weed key Select a key:  Monocot weeds, sorted by botanical characteristics Monocot weeds, sorted by English names Dicot weeds, sorted by botanical characteristics Dicot weeds, sorted by English names Agro-region: Denmark Show possible species after each answer Expand key    Amphibious Bistort Annual Nettle Black Bindweed Black Nightshade Broad-leaved Dock Broad-leaved Willowherb Bugloss Canadian Fleabane Charlock Cleavers Coltsfoot Common Chickweed Common Field-speedwell Common Fumitory Common Mouse-ear Common Nettle Common Orache Common Poppy Common Ragwort Common Stork's-bill Corn Chamomile Corn Marigold Corn Mint Corn Spurrey Cornflower Cranes-bill Creeping Buttercup Creeping Thistle Creeping Yellowcress Curled Dock Dandelion Dead-nettle Fat Hen Fiddleneck Field Bindweed Field Forget-me-not Field Horsetail Field Pansy Field Penny-cress Fool's Parsley Giant Hogweed Greater Plantain Groundsel Hemp-nettle Ivy-leaved Speedwell Knotgrass Marsh Cudweed Marsh Woundwort Mugwort Night-flowering Catchfly Nipplewort Oil-seed Rape Pale Persicaria Parsley-piert Petty Spurge Pineapple-weed Potato Red Clover Redshank Ribwort Plantain Scarlet Pimpernel Scented Mayweed Scentless Mayweed Shepherd's Purse Soldier Sow-thistle Spring Groundsel Sun Spurge Thale Cress Trifid Bur-marigold Wall Speedwell White Campion White Clover Wild Radish Wild Turnip Yarrow