- Leucocoprinus caepistipes gills
- Leucocoprinus cepaestipes
- Leucopaxillus gracillimus
- Macrolepiota columbiana 2014
- Macrolepiota columbiana gills 2014
- Maggots under conk
- Marasmius haematocephalus gr
- Marasmius haematocephalus gr
- Marasmius horsehair Coroico 2014
- Megalopyge opercularis Burro
- Millepide red
- Mini asco cup fungus
- Moth Coroico
- Muck
- Mycena pura group MadidiJL
- Mycena spinosissima
- Mycena translucent Coroico 2014
- Gerronema sp. gills
- Ophiocordyceps cf curculionum Madidi
- Ophiocordyceps dipterigena 4 stromata