- Source: Catagonium brevicaudatum
Catagonium brevicaudatum is a species of moss from the genus Catagonium. It was founded by Müller and Brotherus in 1897. It is commonly found in the Americas. Before the name Catagonium brevicaudatum, it has other names including: Eucatagonium brevicaudatum, Hypnum brevicaudatum, and Isopterygium brevicaudatum. The stems of Catagonium brevicaudatum are mostly 2–10 cm.