| Melicoccus bijugatus |
Spanish Lime; Mamoncillo |
| Melilotus albus |
White Melilot |
| Melilotus indicus |
Smaller Yellow Melilot |
| Melinis repens |
Natal Grass; Natal Redtop; Fairy Grass |
| Melissa officinalis |
Bee Balm; Lemon Balm |
| Melocactus intortus |
Turk's Head Cactus; Turks Head; Turk's Cap Cactus |
| Mentha aquatica |
Bergamot Mint; Water Mint; Watermint |
| Mentha piperita |
Pepper Mint; Peppermint |
| Mentha rotundifolia |
Round-Leaved Mint |
| Mentha spicata |
Spearmint; Spear Mint |
| Mentha suaveolens |
Apple Mint |
| Mercenaria mercenaria |
Northern Quahog; |
| Mercurialis annua |
Annual Mercury; French Mercury |
| Mermessus brevidentatus |
Dwarf Spider |
| Mesembryanthemum cordifolium |
Heartleaf Iceplant; Baby Sun Rose |
| Mesembryanthemum crystallinum |
Common Iceplant; Ice Plant |
| Mesocoelium monas |
|
| Metacanthus tenellus |
|
| Metaleurodicus cardini |
Whitefly |
| Metaphidippus |
Metaphid Jumping Spider |
| Metaphycus |
|
| Metaphycus flavus |
|
| Metaphycus stanleyi |
|
| Meteorus autographae |
|
| Metriocnemus knabi |
|
| Metrosideros excelsa |
New Zealand Christmas Tree; Pohutukawa |
| Microcephalothrips abdominalis |
|
| Micromus posticus |
|
| Microparsus vignaphilus |
|
| Microscolex dubius |
|
