blue flag
Iris versicolor

This particular beach has won the blue flag many years in the past including 2009 as well.

My eyes go right to the red, white, and blue flag over her desk.

At the far end, look for the blue flag with the white logo.

There was actually a problem with the computer program controlling the blue flags during the race.

More evidence is needed to rate the effectiveness of blue flag for these uses.

Underneath was a bright red, white, and blue American flag.

Those with fever cases on board were required to fly a blue flag.

"I don't understand why the Government has put up the blue flag for cleanliness."

It is a stain on our fine blue flag with its gold stars.

A blue flag would be placed in the room once the ride was judged.