It is rare to find a fungus that does not have some dirt or leaf litter on it. Cleaning this off the fungus is in reality a two part operation. Out in the field, try to clean off as much debris from the fungus as possible. A small pair of jewellers forceps and a soft brush can be useful. Once you are back home, you can also digitally clean up your image, making extensive use of the cloning tool in a graphics editor.
Look out for spots of light that occur when sunlight filters through the trees as well as direct sunlight, as these can cause unnecessary contrast. Also, bright spots reflect off shiny objects, particularly if they are wet in the background. Placing an object to block the sun's light or removing shiny objects can solve these problems.
I'll admit that this is a trick I picked up from another photographer (thanks, John), and it never occurred to me before. Don't be shy about adding extra props! This can be in the form of a kauri snail shell, a bit of lichen or an interesting leaf. Caution needs to be used as you don't want to distract from the subjects, but these can help fill in an otherwise empty image.|
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