This species contains a quinone pigment called xylindein, a dimeric naphthoquinone derivative, whose structure was determined by spectroscopic means in the 1960s  and later confirmed by X-ray crystallography.
This species includes a quinone pigment known as xylindein, a dimeric naphthoquinone derivative, whose structure was identified using spectroscopic methods in the 1960s and later verified through X-ray crystallography.