Maianthemum

Mallow

Maltese Cross

Masterwort

Mayapple

Meadow Rue

Mertensia

Mexican Hat 

Michaelmas Daisy 
 

Milkweed

Mint on Fire

Missouri Primrose

Mist Flower

Monarda 

Monardella

Monkshood

Montbretia

Mountain Bluet

Nepeta 

Nettle 

Oenothera

Old Man's Whiskers

Ornamental Onion

Ozark Sundrop

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