Figure 1From: Lichen species dominance and the resulting photosynthetic behavior of Sonoran Desert soil crust types (Baja California, Mexico)Biological soil crust types with dominating lichen species. a) chlorolichen Psora decipiens; b) chlorolichen Placidium squamulosum; c) cyanolichen Peltula richardsii; d) cyanolichen Peltula patellata.Back to article page