Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can.
Mushrooms are also fungi.
Mushrooms lack chlorophyll, so they cannot make food by photosynthesis as plants can.
What lacks chlorophyll, making them unable to make food by photosynthesis as plants can?

trees
bamboo
bushes
acetic acid
Leptospirosis
mushrooms
potatoes
bacteria