Deconica horizontalis 
Deconica merdaria 
Decorated Mop 
Decorated pholiota 
Deep root mushroom 
Deer shield 
Depressed hedgehog 
Dermatocarpon luridum 
Dermatocarpon muhlenbergii 
Dermocybe splendida 
Desarmillaria caespitosa 
Desert Shaggymane 
Devil's Dipstick 
Devil's matchstick 
Devil's Matchsticks 
Devil's urn 
Devil’s Tooth 
Dictyonema glabratum 
Digüeñe 
Diploschistes scruposus 
Diplotomma hedinii 
Dirty Milky 
Ditiola peziziformis 
Dixie Reindeer Lichen