Freshwater Algae of North America: Ecology and Classification John I. All practical structures contain flaws

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Freshwater Algae of North America: Ecology and Classification John I. All practical structures contain flawsFreshwater algae are among the most diverse and ubiquitous organisms on earth. They occupy an enormous range of ecological conditions from lakes and rivers to acidic peat swamps, inland saline lakes, snow and ice, damp soils, wetlands, desert soils, wastewater treatment plants, and are symbionts in and on many plants, fungi, and animals. In North America, the variety of freshwater habitats colonized by algae is very rich, and offers an enormous and