groundsel senecio karjaginii. astera on pasturage

agrarian agrestal agricultural agriculture astera breeding bright caucasus cocklebur crop cultivation field fields flower flowers grass grassland grazing green ground groundsel groundsill growing herbicide hogweed husbandry karjaginii land meadow mediterranean mountains north pasturage pasture pastureland plant production protection ragwort senecio senedo sill slopes squaw squawweed treatment weed weeding weeds wild yellow