Microalga, Common [Chlamydomonas reinhardtii]
Microalga, Common Freshwater [Chlorella pyrenoidosa]
Microstegium vimineum [Nepalese Browntop]
Milkpea Elliott's [Galactia elliottii]
Milkweed, Butterfly (Asclepias tuberosa)
Milkweed, Common [Asclepias syriaca]
Millet, Broomcorn [Panicum miliaceum]
Miscanthus sacchariflorus [Amur Silvergrass]
Molassesgrass [Melinis minutiflora]
Molinia caerulea [Purple Moorgrass]
Moorgrass, Purple [Molinia caerulea]
Morningglory, Ivyleaf [Ipomoea hederacea]
Morningglory, Tall [Ipomoea purpurea]
Mountain Ebony [Bauhinia variegata]
Mungbean [Vigna radiata]
Mustard [Brassica rapa]
Mustard, Abyssinian [Brassica carinata]
Mustard, Black [Brassica nigra]
Mustard, Field [Brassica kaber]
Mustard, India [Brassica juncea]
Mustard, Rape Seed [Brassica campestris]
Mustard, White [Brassica alba]
Mustard, White [Sinapis alba]
Myrobalan [Terminalia chebula]
Myrtle Spurge [Euphorbia lathyris]