Claim: The soils are humic or loamy, well drained and acid  with a pH of 5.5 – 5.8; the moss likes a metal-rich substrate with concentrations of copper of 151 – 1400 parts per million (ppm).
Evidence: The soils are humic or loamy, well drained and acid with a pH of 5.5 – 5.8. It likes a metal-rich substrate with concentrations of copper of 151 – 1400 parts per million (ppm).