Iris Family

pine flats understory on thin soil over white volcanic tuff substrate.

on open, grassy, undulating plain in basin along & below eastern Madrean escarpment, among diverse grasses and forbs on coarse volcanic alluvium.

in grasses on moist alluvial volcanic soils between a small perennial creek and a large bare outcrop of pale weathered rhyolitc tuff

in grasses on moist alluvial volcanic soils between a small perennial creek and a large bare outcrop of pale weathered rhyolitc tuff

plants in coarsely gravelly soil in shallow drainage swale on low ridge of pale weathered volcanic tuff rising above grassy montane basin with scattered pines and scrub oak.