Leucistic Cambodian

What does Leucistic mean? This is basically a pigment mutation that creates different shades of mushroom fruit even though its from a core strain. It produces a white or cream colored version. The Cambodian magic mushroom was found close to the Cambodian Khmer temples and brought to the Western world for research. These Cambodia psilocybe mushrooms are know for their spiritual trip. The hats of the Cambodian mushrooms are shaped as the Asian conical hats disclosing their origin.