Order Blastocladiales refers to a group of aquatic fungi characterized by their unique morphology and lifestyle. It includes several species that are parasitic or saprophytic in nature, and they are usually found in freshwater environments. The order Blastocladiales is also referred to as Blastocladia, Blastocladiales-Blastocladia, and Blastocladiales-Catenaria. Additionally, there are some closely related orders that are sometimes confused with the Blastocladiales, such as the Chytridiales and Spizellomycetales. However, each of these groups has its distinct morphological and ecological characteristics. Overall, understanding the synonyms for the order Blastocladiales helps to accurately identify different fungi species and advance research in the field.