THC range is the middle half of 4 public lab tests of Illudium flower (2020–2022). Source: Cannlytics lab results, CC BY 4.0.
Illudium is a cross-bred hybrid.
Across 4 public lab tests of Illudium flower between 2020 and 2022, the median result was 14.4% total THC, with half of all samples falling between 13.6% and 15.4%. That is on the milder side for modern flower. Potency varies by grower and batch, so always check the label.