medulla_color_yellow
yellow
Spot tests and fluorescence: K positive (yellow), C negative, KC negative, P positive (orange), UV negative; Secondary metabolites (TLC): stictic acid (major), constictic acid (minor), menegazziaic acid (trace), cryptostictic acid (trace), hypostictic acid (trace)
Parmotrema occultum
Parmotrema occultum