About Pseudognaphalium stramineum (Kunth) Anderb.
Pseudognaphalium stramineum, commonly called cotton-batting-plant, is an annual or biennial plant species belonging to the sunflower family. It is characterized by dense, loose hairs covering its leaves and stems.
Pseudognaphalium stramineum grows across western North America, ranging from British Columbia south to Central America. In Canada, it is only found growing in British Columbia. In the United States, it occurs in every state between the Pacific coast and the Rocky Mountains, and is particularly widespread in Arizona, California, Oregon, and Washington. East of the Rocky Mountains, it can be found in parts of Texas, two counties in Oklahoma, and has been reported from Nebraska with no specific location details provided. On the U.S. East Coast, it grows only in New York, Virginia, North Carolina, and South Carolina.
In Mexico, this species is also quite widespread. In northwestern Mexico, it grows in all four states: Baja California, Baja California Sur, Sonora, and Sinaloa. In northeastern Mexico, it grows in ten out of eleven states, and is only absent from Tamaulipas. In central Mexico, it occurs in the State of Mexico, Mexico City, Morelos, Puebla, and Tlaxcala. In southwestern Mexico, it remains common and is only absent from Colima. It also grows in the state of Veracruz along the Gulf of Mexico. In southeastern Mexico, it becomes less common, and is only found in Chiapas. In Central America, it is found in three countries: Costa Rica, Guatemala, and Honduras. It also occurs as an introduced plant in the United Kingdom.