Maid Marian 
Malabar Melastome 
Malay (rose) apple 
Mallee Teatree 
Mānuka 
Marri 
Maryland meadowbeauty 
Medinilla cummingii 
Medinilla teysmannii 
Megalong Valley bottlebrush 
Melaleuca barlowii 
Melaleuca cordata 
Melaleuca longistaminea 
Melaleuca subulata 
Melastoma affine 
Melastoma saigonense 
Memecylon edule 
Meriania speciosa 
Meriania tetragona 
Metrosideros collina 
Mexican Primrose-Willow 
Miconia crenata 
Milkflower willowherb 
Monochaetum magdalenense