(Ptilimnium capillaceum)
Ptilimnium capillaceum�is a�flock-flowered plant�species, first described by�Andr� Michaux�, and now known as�Constantine Samuel Rafinesque�and�Nicolas Charles Seringe�.�Ptilimnium capillaceum�is part of the�genus�Ptilimnium�and the�family�flock-flowered plants�.�No�subspecies�are listed in the�Catalog of Life