Ключевые слова: amazonica, aquatic, bloom, blossom, botanic, botanical, bud, collection, conservation, conservatory, ecosystem, exotic, floating, floriculture, flower, flowering, freshwater, garden, gardening, giant, glasshouse, greenhouse, habitat, horticulture, hothouse, hydrophytes, large, leaves, lily, macrophytes, natural, nature, petersburg, plant, platter, pond, research, reservoir, saint, swamp, tropical, vaterlily, victoria, water, wetland,