Ascomycetes are known for producing spores where?

Ascomycetes, a group of fungi, are characterized by the formation of spores in specialized sacs called asci. These asci are typically found within a structure known as the ascocarp. While some fungi might have interactions with plant tissue or utilize plant matter for growth, ascomycetes predominantly produce their spores within these structures rather than freely on plants or in the soil.

The option that suggests spores are produced inside plant tissue reflects the reproductive strategy of certain ascomycetes that may invade the plant's cells and subsequently form asci therein. This method enables the spores to be released in an environment that may favor their dispersal and establishment.

Other choices such as producing spores on the soil surface, attached to leaves, or on decomposing wood do not accurately represent the primary method of spore production in ascomycetes. These options may refer to different fungi or growth forms but do not capture the essence of how ascomycetes specifically create their spores.