Plants in grasses on reddish volcanic rhyolite of on grassy, moderate hillside slope with Dahlia scherffii, Salvia emaciata, Verbena pinetorum, Milla biflora. Note short beak & 3 near equal petals. Original ID as C. coelestis, which is now considered a synonym under C. tuberosa
on coarse volcanic gravels and alluvial sands below rhyolitic tuff cliffs forming narrow canyon bottom drained by small perennial creek. Original ID as C. coelestis, which is now considered a synonym under C. tuberosa
along drainage course between low limestone hills in open flat of disturbed calcareous soil and gravel outwash as road bisects small arroyo; with Ibervillea, Lantana, Cyphomeris, Rivina and Hunnemannia
along drainage course between low limestone hills in open flat of disturbed calcareous soil and gravel outwash as road bisects small arroyo; with Ibervillea, Lantana, Cyphomeris, Rivina and Hunnemannia