Exodus 2:3,5
And when she could not longer hide him, she took for him an ark of bulrushes, and daubed it with slime and with pitch, and put the child therein; and she laid it in the flags by the river's brink.
Nave's Topical Index—AKJV

Job 8:11
Can the rush grow up without mire? can the flag grow without water?
Nave's Topical Index—AKJV

Isaiah 19:6
And they shall turn the rivers far away; and the brooks of defense shall be emptied and dried up: the reeds and flags shall wither.
Nave's Topical Index—AKJV

Jonah 2:5
The waters compassed me about, even to the soul: the depth closed me round about, the weeds were wrapped about my head.
Nave's Topical Index—AKJV