Marasmiellus
Marasmiellus ramealis - Twig Parachute
Marasmius
Marasmius hudsonii - Holly Parachute
Marasmius oreades - Fairy Ring Champignon
Marasmius rotula - Collared Parachute or Little Wheel
Megacollybia
Megacollybia platyphylla - Whitelaced Shank
Mycena
Mycena acicula - Orange Bonnet
Mycena adscendens - Frosty Bonnet
Mycena alcalina - Stump Bell Cap
Mycena cinerella - Mealy Bonnet
Mycena epipterygia - Yellow-legged Bonnet
Mycena filopes - Iodine Bonnet
Mycena galopus - Milking Bonnet
Mycena galopus var. nigra - Black Milking Bonnet
Mycena inclinata - Tufted Bell Cap or Clustered Bonnet
Mycena pelianthina - Blackedge Bonnet
Mycena polygramma - Grooved Bonnet
Mycena pura - Lilac Bell Cap or Bonnet