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Editors Preface page
Authors Preface j
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abundant achenes acre alien annual appear arable land areas arvensis autumn average weight bear biennial bracts branched Britain Buttercup calcareous calyx capsule Cattle cent century Charlock Chickweed Clover seed colour common weeds commonly contain Corn cornfield weed Cranesbill Cress crop cultivated Dandelion diameter dispersal dormant Europe Fat Hen feet flora flower-heads foliage frequent fruits gardens germination grains Grass grassland green Groundsel habitats hairs hairy herbicides impurities inches inflorescence large plant leaves length less lobes locally common Lucerne margin MCPA meadows nearly normally nutlets occur oval Pale Persicaria parachute pastures perennial petals pinnate pods Poppy probably produce Ragwort rare Red Deadnettle retain their viability rhizomes root Rosebay Willowherb rosette season seedlings seeds Senecio sepals Sheep's Sorrel Shepherd's Purse shoots smooth soil sometimes southern Sowthistle species spread stalks stamens stems surface Thistle types usually vegetative viable waste ground weed seeds whilst yellow flowers