tricholoma vaccinum: an agaric with a cap that is densely covered with reddish fibrils and pale gills and stalk
agaric: a saprophytic fungus of the order Agaricales having an umbrellalike cap with gills on the underside
carbon dioxide: a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis