Macho Fern
Mad-Dog Skullcap
Madder, Wild
Magnolia, Saucer
Magnolia, Star
Magnolia, Starry
Magnolia, Sweetbay
Magnolia, Umbrella
Maidenhair Fern
Maidenhair Tree
Male Fern
Mallow, Glade
Mallow, Halberd-Leaved Rose
Mallow, Prickly
Mallow, Swamp Rose
Maple, Amur
Maple, Ash-Leaved
Maple, Black
Maple, Paperbark
Maple, Red
Maple, Silver
Maple, Soft
Maple, Sugar
Maple, Water
Mapleleaf Viburnum
Marginal Wood Fern
Marigold
Marsh Fern
Marsh Purslane
Marsh Seedbox
Mary, Blue-Eyed
Master, Rattlesnake
Mayapple
Meadow Blazing Star
Meadow Fescue
Meadow Foxtail
Meadow Onion
Meadow Spikemoss
Meadowsweet, Narrowleaf
Meadowsweet, White
Medic, Black
Mercury, Deam's
Mercury, Deam's Threeseed
Mercury, Hornbeam
Mercury, Pineland Threeseed
Mercury, Virginia threeseed
Mermaid, False
Mexican Sunflower
Miami Mist
Mild Waterpepper
Milkweed, Climbing
Milkweed, Common
Milkweed, Prairie
Milkweed, Smooth
Milkweed, Sullivant's
Milkweed, Swamp
Milkwort, Blood
Milkwort, Whorled
Milky Wild Indigo
Milweed, Butterfly
Mimosa, Prairie
Mint, Apple
Mint, Downy Wood
Mint, Hairy Mountain
Mint, Hairy Wood
Mint, Orange
Mint, Perilla
Mint, Spotted Horse
Mint, Wild
Mintleaf beebalm
Mist, Miami
Mistflower
Miterwort, Twoleaf
Mock Strawberry
Moneywort
Monkeyflower, Allegheny
Monkeyflower, Sharpwing
Moonseed
Morning Glory, Small White
Moss Phlox
Moss, Graveyard
Moth Mullein
Mountain Laurel
Mountainmint, Clustered
Mountainmint, Narrowleaf
Mountainmint, Slender
Mountainmint, Virginia
Mouse-Ear Chickweed
Mugwort
Muhly, Slender
Muhly, Slimflower
Mulberry, Red
Mulberry, White
Mullein Foxglove
Mullein, Common
Mullein, Giant
Mullein, Moth
Multiflora Rose
Mum, Garden
Musclewood
Mustard, Black
Mustard, Field
Mustard, Garlic
Myrtle, Creeping