Lycopsis arvensis
Bugloss
Lysichiton americanus
American Skunk-cabbage
Lysimachia nummularia
Creeping-Jenny
Lythrum salicaria
Purple-loosestrife
Malcolmia maritima
Virginia Stock
Malva alcea
Greater Musk-mallow
Malva moschata
Musk-mallow
Malva setigera
Rough Marsh-mallow
Malva x clementii
Garden Tree-mallow
Medicago littoralis
Shore Medick
Medicago lupulina
Black Medick
Melampyrum arvense
Field Cow-wheat
Melampyrum pratense
Common Cow-wheat
Melica nutans
Mountain Melick
Melilotus albus
White Melilot
Melittis melissophyllum
Bastard Balm
Mentha arvensis
Corn Mint
Mentha pulegium
Pennyroyal
Menyanthes trifoliata
Bogbean
Mercurialis annua
Annual Mercury
Meum athamanticum
Spignel
Moehringia trinervia
Three-nerved Sandwort
Myosotis discolor
Changing Forget-me-not
Myosotis stricta