LEISNER, JOHANNA M. R.GREEN, T. G. ALLANLANGE, OTIO L.2020-02-042020-02-0419970334-5114http://hdl.handle.net/10222/77589Photobiont Activity of a Temperate Crustose Lichen: Long-Term Chlorophyll Fluorescence and CO2 Exchange Measurements in the FieldText232-3165