Complex sentence: Many, such as the paler "R. sanguinea", are inedible, though "R. aurata" is edible and good: it has a yellow stem, gills and flesh under its red cap.
Split into simpler sentences: Many, such as the paler "R. sanguinea", are inedible, though "R. aurata" is edible and good. It has a yellow stem, gills and flesh under its red cap.