Lactifluus clarkeae 
Lactifluus gerardii 
Lactifluus subvellereus 
Lacy coral lichen 
Laetiporus conifericola 
Laetiporus persicinus 
Lanmaoa carminipes 
Lantern Stinkhorn 
Lanzia luteovirescens 
Large White Leucopax 
Lasiobelonium corticale 
Late oyster 
Latticed stinkhorn 
Layered Cup 
Leaf Parachute 
Leaf Spot 
Leafy Brain 
Lecanora caesiorubella 
Lecanora campestris 
Lecanora chlarotera 
Lecanora gangaleoides 
Lecanora hybocarpa 
Lecanora strobilina 
Lecanora symmicta