Klein D.

Hawaii . field code MV-07-23-09-001. Makiki Nature Center taro fields, Oahu

Hawaii . Sample from falls (field code JJ-07-22-09-008).  Laie Falls, Oahu

Hawaii . field code MV-07-23-09-002. Makiki Nature Center taro fields, Oahu

Hawaii . Sample from cement on trail by cement wall (field code JJ-07-23-09-003). Nuuanu Pali Lookout (along Old Pali Highway hiking trail)

Fort Irwin Study Site (FISS), CA. Undisturbed desert. Fort Irwin Study site

Atacama Desert, Chile. slope 2°. At the bottom of a wash with some plants. Trichormus.

Atacama Desert, Chile. slope 0°. Very fine sand with crust that was less than 5 mm thick. This site had the best crust seen thus far with lichens and bryophytes present. . near Choros Bajos

Atacama Desert, Chile. slope 15°. Bolder strewn site, near ocean with visible algal crust; plants present. Full sunlight. Coastal area above beach, La Serena, Chile