EâZPass is an electronic toll collection system used on most tolled roads, bridges, and tunnels in the midwestern and northeastern United States, as far south as North Carolina and as far west as Illinois.
General Poisoning Notes: Blue flag (Iris versicolor) is a native herb found in eastern and central Canada. This plant has been mentioned as causing poisoning in humans and animals, but case reports have not been found. The plant juice can cause dermatitis in sensitive individuals. glycoside, iridin (or irisin), has been implicated as the toxic compound in iris species, although this has not been confirmed (Fyles 1920, Cooper and Johnson 1984).
Irises usually don't change color. You may have had a yellow iris tuber among the blue irises and this year the yellow iris was a more vigorous grower and choked out the blue irises. Or the seeds from your irises may have ripened, dropped, and germinated. Iris seed does not grow true to the parent plant.