@misc{indiciae73b33baaf1a0,
  title = {Nutrient availability affects pigment production but not growth in lichens of biological soil crusts},
  author = {M. A. Bowker and G.W. Koch and J. Belnap and N.C. Johnson},
  year = {2008},
  doi = {10.1016/j.soilbio.2008.08.002},
  url = {https://pubs.usgs.gov/publication/70033348},
  note = {Source identifier: 70033348}
}