Ключевые слова: alga, algae, biology, botanical, botany, cell, close, closeup, color, copy, desmid, desmidiacea, draparnaldia, filamentous, flora, focus, food, green, healthcare, hobby, life, macro, medicine, microorganism, microscope, microscopic, nature, nobody, organism, phytoplankton, plant, pond, research, school, science, scientific, small, spore, university, water, wildlife,