Calocedrus decurrens
This wildflower is always found on serpentine soils in a number of habitat types, including coniferous forest and grassland, and the ecotones between them. The soils are high in nickel, cadmium, magnesium, and phosphorus. Associated plant species include Jeffrey pine ("Pinus jeffreyi"), incense cedar ("Calocedrus decurrens"), Douglas-fir ("Pseudotsuga menziesii"), Hooker's silene ("Silene hookeri" ssp. "hookeri"), showy tarweed ("Madia elegans" var. "densifolia"), cismontane minuartia ("Minuartia cismontana") and Roemer's fescue ("Festuca roemeri").