|I’d Call It That||3.0||0.00||0|
sum(score * weight) /
(total weight + 1)
The thallus is yellow, so presumably has some anthraquinone pigments in it, but often doesn’t react in K. Must just be because it’s so thin.
The color changes on apothecia mostly. The thallus darkens too a little bit, but apothecia have instantaneous color change when touched by KOH.