Macartney Rose
Macleaya
Maclura
Macridea
Madagascar Periwinkle
Madam Gorgon
Magnolia
Mahaleb Cherry
Maid Marian
Maid Of The Mist
Maiden Fern
Maiden Pink
Maidencane
Maidenhair Fern
Maidenhair Spleenwort
Maidenhair Tree
Maidenstears
Malabar Sprangletop
Malaysian False Pimpernel
Maleberry
Mallow
Man Of The Earth
Mangrove
Manila Grass
Mannagrass
Manyflower Blackberry
Manyflower Flatsedge
Manyflower Grasspink
Manyflower Marshpennywort
Manyhead Rush
Manyseed Goosefoot
Manyspike Flatsedge
Maple
Mapleleaf Goosefoot
Mapleleaf Viburnum
Marbleseed
Marginal Woodfern
Marigold
Marijuana
Maritime Pine
Maroon Carolina Milkvine
Marsh American-aster
Marsh Bellflower
Marsh Blue Violet