Spore producers are organisms that produce spores, which are reproductive cells that can be spread by air or water. Fungi, ferns, and molds are all examples of spore producers. Fungi produce spores through a process called sporulation, while ferns produce spores through a process called meiosis. Molds produce spores through a process called sporangiospores. All three of these organisms are important in the natural environment, as they help to disperse genetic material and aid in the growth of new plants and animals.