Ignis Fatuus, will-o'-the-wisp, corpse candles, jack-o'-lanterns, and marsh gas are some other names.
http://userpages.umbc.edu/~frizzell/SwampGas.html
I found this page about swamp gas, hope it's helpful.
If in an isolated spot, probably a spring, otherwise perhaps a swamp or a mere.Wetland is a preferred term these days to swamp.
you will never know because it depens where it is on Earth
Yes, it is. It means of or like a swamp (sharing the characteristics of one).
The name comes from Hitchiti, an extinct Indian language related to the Mikasuki language spoken by the Miccosukee tribe and many of the Seminoles. The Hitichi original is okifanô:ki, meaning "bubbling water",
The Manchac Swamp Bridge, located in Louisiana, was designed by the engineering firm of Parsons Brinckerhoff, with the lead design by engineer and architect Richard J. "Rick" Hargrove. The bridge is notable for its long span over the swamp, which is part of Interstate 55. It was completed in 1979 and stretches approximately 23.8 miles, making it one of the longest bridges in the United States.
It's simply a descriptive name - a cypress swamp is a swamp with cypress trees in it.
The name swamp came from the Russian word sample.
Grass of swamp
the Okefenokee swamp
The scientific name of a swamp deer is Rucervus Duvaucelii.
the scientific name of swamp cabbage is wisky
I think it is the swamp of despair.
Old Woman Swamp.
The Swamp Rabbit is in the class Mammalia.
DJ Swamp's birth name is Ronald K. Keys Jr..
a swamp rat is a hillbilly who lives in the swamp bottoms.
a paiko swamp is now called travel