Native American poetry often includes the natural and the spiritual, which could be considered one. There is no specific category for it. It would probably best fit in Religion and Spirituality, but might also fit well in http://dmoz.org/Arts/Literature/Cultural/Native_American/ which is an @link from Religion and Spirituality.
Sites 3
- Native American Poetry by Single Woman From the Tlingit Nation of Juneau, Alaska, USA. Slide show format.
- NativeTech A topically organized educational web site emphasizing the Eastern Woodland Indians region, organized into categories.
- Wings To Fly With Publishing Poetry from Migrations creator Carol Snyder Halberstadt and other guest poets.