1. Maclura tinctoria
2. Magnolia champaca
3. Magnolia virginiana
4. Maianthemum racemosum
5. Maianthemum stellatum
6. Main Page
7. Maize
8. Malaxis monophyllos
9. Malpighia coccigera
10. Malpighia glabra
11. Malva alcea

12.Malva moschata

13.Malva sylvestris

14.Malva verticillata

15. Mammea americana

16.Manchineel

17. Mandragora officinarum

18.Mandrake

19.Mangifera indica

20. Manilkara kauki

21.Manilkara zapota

22. Maranta arundinacea
23. Marcgravia umbellata
24. Marjoram
25. Marrubium peregrinum
26. Marrubium vulgare
27. Marsilea quadrifolia
28. Martynia annua
29. Matricaria chamomilla
30. Matteuccia struthiopteris

31.Meconopsis cambrica

32. Medicago arborea
33. Medicago falcata
34. Medicago lupulina
35. Medicago marina
36. Medicago polymorpha
37. Medicago radiata
38. Medicago sativa
39. Melampyrum arvense
40. Melampyrum nemorosum

41.Melampyrum pratense

42. Melampyrum sylvaticum
43. Melia azedarach
44. Melianthus major
45. Melica altissima
46. Melica ciliata
47. Melica nutans
48. Melissa officinalis
49. Melittis melissophyllum
50. Melocactus caroli-linnaei
51. Melochia corchorifolia
52. Menispermum canadense
53. Mentha aquatica
54. Mentha arvensis
55. Mentha canadensis
56. Mentha cervina
57. Mentha longifolia
58. Mentha × piperita
59. Mentha pulegium
60. Menyanthes trifoliata

61.Mercurialis annua

62. Mercurialis perennis
63. Mesembryanthemum crystallinum
64. Mesembryanthemum nodiflorum
65. Mespilus germanica
66. Mesua ferrea
67. Micranthes nivalis
68. Microcos paniculata
69. Milium effusum
70. Mimosa pudica
71. Mimulus ringens
72. Mimusops elengi
73. Mirabilis jalapa
74. Misopates orontium
75. Mitchella repens
76. Mitella diphylla
77. Mitella nuda
78. Molinia caerulea
79. Mollugo verticillata
80. Moluccella laevis

81.Momordica balsamina

82. Momordica charantia
83. Momordica pedata
84. Monarda didyma
85. Monarda fistulosa
86. Monarda punctata
87. Monotropa hypopitys
88. Monotropa uniflora
89. Montia fontana
90. Montrichardia arborescens

91.Morinda citrifolia

92. Morus alba
93. Morus nigra
94. Morus rubra
95. Mung bean
96. Muntingia calabura
97. Muscari botryoides
98. Muscari racemosum
99. Muskmelon
100. Myosotis scorpioides
101. Myosurus minimus
102. Myrica cerifera
103. Myrica gale
104. Myriophyllum spicatum
105. Myriophyllum verticillatum
106. Myrsine africana
107. Myrtus communis

Matricaria chamomilla

• German chamomile  (Matricaria chamomilla)

• Also called: camomile, Hungarian chamomile, wild chamomile, or scented mayweed. Is a subset of chamomile.
• Used in: Vaginal steaming
• Claimed to: calm frayed nerves, treat stomach problems, relieve muscle spasms, treat skin conditions, treat mild infections, treat chest colds, treat sore throats, treat abscesses, treat gingivitis, treat anxiety, treat insomnia, teat psoriasis, treat acne and eczema, treat first-degree burns, treat ulcerative colitis, treat stomach ulcers, treat chickenpox, treat diaper rash, and treat colic.<wiki/List_of_medicinal_plants#cite_note-UMMGermanchamomile-60">
• Beneficial effects:

• Animal studies have shown that German chamomile reduces inflammation, speeds wound healing, reduces muscle spasms, and serves as a mild sedative to help with sleep. Test tube studies have shown that chamomile can kill bacteria, fungus, and viruses. Very few studies exist to see if the same is true in people.<wiki/List_of_medicinal_plants#cite_note-UMMGermanchamomile-60">
• One (out of one) controlled study suggests that chamomile may help reduce the effects of anxiety disorder.<wiki/List_of_medicinal_plants#cite_note-UMMGermanchamomile-60"><wiki/List_of_medicinal_plants#cite_note-theherbbook-7">
• Two studies suggest German chamomile may reduce eczema.<wiki/List_of_medicinal_plants#cite_note-UMMGermanchamomile-60">

• Non-reliable effects:

• No large and reliable studies have shown chamomile to help with indigestion.<wiki/List_of_medicinal_plants#cite_note-UMMGermanchamomile-60">
• Studies report mixed results for German chamomile as prevention against mouth sores resulting from radiation or chemotherapy.<wiki/List_of_medicinal_plants#cite_note-UMMGermanchamomile-60">

Mentha pulegium

• Pennyroyal  (Mentha pulegium)

• Used for: inducing abortion, inducing menstruation and menstrual pain, nausea, "nervous conditions" and headache.<wiki/List_of_medicinal_plants#cite_note-theherbbook-7"> There is no evidence to support the effectiveness of pennyroyal for anything besides abortions<wiki/List_of_medicinal_plants#cite_note-175">
• Harmful effects: The essential oil is toxic to the liver and lung, and can be fatal if ingested.<wiki/List_of_medicinal_plants#cite_note-dietz-140">

Mentha piperita

• Peppermint oil  (Mentha piperita)

• Used for: nervousness, insomnia, cramps, coughs, migraine, gastrointestinal problems, headache, and vomiting<wiki/List_of_medicinal_plants#cite_note-theherbbook-7">
• Harmful effects: may include heartburn, and, more rarely, nausea, vomiting, headache, flushing, mouth irritation/sores, severe stomach/abdominal pain, and anal burning during bouts of diarrhea.<wiki/List_of_medicinal_plants#cite_note-176"><wiki/List_of_medicinal_plants#cite_note-177">

• Primrose oil: See Evening primrose oil.

Melaleuca alternifolia

• Tea tree oil  (Melaleuca alternifolia)

• Used for: (and is effective for) fungal infections, acne, and athlete's foot (topical application).<wiki/List_of_medicinal_plants#cite_note-tto-208"> Tea tree oil is, however, less effective than medications for curing athlete's foot.<wiki/List_of_medicinal_plants#cite_note-tto-208">
• Harmful effects: Side effects may include skin irritation and swelling, and "in people with acne, it can sometimes cause skin dryness, itching, stinging, burning, and redness."<wiki/List_of_medicinal_plants#cite_note-tto-208"> Applying products containing both tea tree and lavender oil to prepubescent boys may cause gynecomastia (larger breasts).<wiki/List_of_medicinal_plants#cite_note-tto-208"> Tea tree oil is highly toxic when ingested, even in small quantities, so it should never be taken by mouth.