Works:
- One to rule all four: cryptogams of Arctic, Antarctic, European Alpine regions & the Atacama Desert
- The symbiotic alga Trebouxia fuels a coherent soil ecosystem on the landscape scale in the Atacama Desert
- Roccellinastrum, Cenozosia and Heterodermia: ecology and phylogeny of fog lichens and their photobionts from the coastal Atacama Desert
- Shifting boundaries: ecological and geographical range extension based on three new species in the cyanobacterial genera Aliterella, Cyanocohniella, Oculatella