Mushrooms whose White Spores turn Bluish-Black

by Van Cotter, UNC Herbarium Associate Mushroom identification relies on many tricks of the trade.  One of the fun tricks is treating white mushroom spores with iodine in the form of Melzers Reagent to see if they turn bluish-black (much as iodine will turn the inside of potatoes bluish-black).  The term for this reaction is … Continue reading Mushrooms whose White Spores turn Bluish-Black