Title: Epiphytic lichens and air pollution in the Netherlands
Subjects: Air, Effect of air pollution on, Effect of sulphur dioxide on Plants, Epiphytic lichens, Measurement, Plant indicators, Pollution, Plants, Effect of sulphur dioxide on, Plants, Effect of sulphur diox, Effect of sulphur dioxide on, Netherlands, Plants, Effect of sulfur dioxide on, Lichens, Epiphytes
Places: Netherlands