Calla palustris is a plant species that is commonly known as marsh calla. However, there are several other names that are used to refer to this beautiful plant. Some of the synonyms for calla palustris include water arum, bog arum, wild arum, and American water arum. These names are derived from the plant's natural habitat, which is surrounded by water or in boggy areas. Additionally, some people may refer to calla palustris as cow-cabbage or swamp lily, due to how it looks like when it blooms. Regardless of the name used to refer to it, calla palustris remains a unique and fascinating plant that is admired by people worldwide.