Recordings of the sound of dry clumps of Moss rehydrating [various species] growing in the woods Alderley Edge, absorbing the moisture from a fine vapour, using hydrophones put into the soil underneath the moss. See https://www.invisibleworlds.ac.uk/ . This is a technique I developed through the bryophytes project at Gallery Oldham. Antony Hall · bio-crust study: Moss rehydration