Information: - Agaricus bisporus is an edible basidiomycete mushroom native to grasslands in Europe and North America. It has two color states while immaturewhite and brownboth of which have various names. When mature, it is known as portobello mushroom, often shortened to just portobello. - Agaricus is a genus of mushrooms containing both edible and poisonous species, with possibly over 300 members worldwide. The genus includes the common ("button") mushroom ("Agaricus bisporus") and the field mushroom ("Agaricus campestris"), the dominant cultivated mushrooms of the West. - Agaricus silvicola , also known as the wood mushroom , is a species of Agaricus mushroom related to the button mushroom . What is the relationship between 'agaricus silvicola' and 'brown'?
A:
spore print color