Small yellow, orange or red raised blisters on leaves and stems

Powdery orange spores brush off infected leaves and can be seen on a white tissue

Leaf tissue around the rust spots turns yellow and sometimes brown

In severe cases rust spots may merge together to form large yellow or orange streaks or blotches

Severely infected leaves may turn brown, dry up and die

Rust spots become dark brown or black late summer and early fall

Powdery, fluffy, white spots or blotches on leaves

Tiny raised blakc dots may be visible within white spots late summer or early fall

Severly infected plants may be completely covered in white or grayish white fungi

Common or grasses grown in shady areas

Random, purplish-black hard oblong rods emerging from the seed head

Purplish-black rod is 1 to 5 times the size of a normal seed

Sticky drops of fluid may be seen on seed head early in the season

All of large sections of leaves are cut off and missing, leaving only a stem or petiole (leaf stalk)

Animal foot prints or dropping near plant

Often happens suddenly, overnight