The Regions…The Nations, Tribes, Bands

Plains
Arapaho, Arikara, Assiniboine, Bidai, Blackfoot, Caddo, Cheyenne, Comanche, Cree, Crow, Dakota (Sioux), Gros Ventre, Hidatsa, Iowa, Kansa, Kiowa, Kiowa-Apache, Kitsai, Lakota (Sioux), Mandan, Metis, Missouri, Nakota (Sioux), Omaha, Osage, Otoe, Pawnee, Ponca, Sarsi, Sutai, Tonkawa, Wichita.

Great Basin
Bannock, Paiute (Northern), Paiute (Southern), Sheepeater, Shoshone (Northern), Shoshone (Western), Ute, Washo.

Plateau
Carrier, Cayuse, Coeur D'Alene, Colville, Dock-Spus, Eneeshur, Flathead, Kalispel, Kawachkin, Kittitas, Klamath, Klickitat, Kosith, Kutenai, Lakes, Lillooet, Methow, Modac, Nez Perce, Okanogan, Palouse, Sanpoil, Shushwap, Sinkiuse, Spokane, Tenino, Thompson, Tyigh, Umatilla, Wallawalla, Wasco, Wauyukma, Wenatchee, Wishram, Wyampum, Yakima.

Southwest
Apache (Eastern), Apache (Western), Chemehuevi, Coahuiltec, Hopi, Jano, Manso, Maricopa, Mohave, Navaho, Pai, Papago, Pima, Pueblo, Yaqui, Yavapai, Yuman, Zuni. ** Am strongly thinking about breaking the Pueblo into: Acoma, Cochiti, Isleta, Jemez, Laguna, Nambe, Picuris, Pojoaque, Sandia, San Felipe, San Ildefonso, San Juan, Santa Ana, Santa Clara, Santo Domingo, Taos, Tesuque, Zia.

Northwest
Calapuya, Cathlamet, Chehalis, Chemakum, Chetco, Chilluckkittequaw, Chinook, Clackamas, Clatskani, Clatsop, Cowich, Cowlitz, Haida, Hoh, Klallam, Kwalhioqua, Lushootseed, Makah, Molala, Multomah, Oynut, Ozette, Queets, Quileute, Quinault, Rogue River, Siletz, Taidhapam, Tillamook, Tutuni, Yakonan.

California
Achomawi, Atsugewi, Cahuilla, Chimariko, Chumash, Costanoan, Esselen, Hupa, Karuk, Kawaiisu, Maidu, Mission Indians, Miwok, Mono, Patwin, Pomo, Serrano, Shasta, Tolowa, Tubatulabal, Wailaki, Wintu, Wiyot, Yaha, Yokuts, Yuki, Yuman (California).