North America, Europe, Asia
Western United States, California, Mexico
Lakes, Ponds, sluggish streams and rivers
low mountains, Mountain tops, Subtropical climates, Temperate Regions
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24