heracleum sosnowskyi on blue sky background. all parts of heracleum sosnowskyi contain the intense toxic allergen furanocoumarin

heracleum sosnowskyi toxic background sky blue allergen flora dangerous hogweed herb poisonous plant danger nature green summer grass bloom flower large weed umbrella white burn harmful leaf closeup environment field giant natural branch parsnip wild spring europe color perennial season stem meadow wildflower cow poison blossom silhouette invasive blooming complex background parts intense furanocoumarin