Habitat of Phacelia submutica by Susan Spackman Panjabi
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Occurs on steep slopes and ridge-tops on xeric sites in chocolate-brown or gray clay adobe badlands of Western Colorado which often have high shrink-swell potential (large cracks in the soil). The species is adapted to grow only in very early pioneer habitats with sparse vegetation cover (Scheck 1994). The species occurs on Atwell Gulch and Shire Members of Wasatch Formation (O'Kane 1987). Associated species are Grindelia fastigiata, Sarcobatus vermiculatus, Atriplex confertifolia, Eriogonum gordonii, Monolepis nuttalliana, Oenothera caespitosa, Astragalus flavus, Helianthus sp., Lepidium sp., Chenopodium sp., Rumex sp., Cymopterus planosus, Sitanion hystrix, Ceratocephala testiculata, Lactuca serriola, Euphorbia fendleri, Asceplias cryptoceras, Mentzelia sp., Thelypodiopsis sp., Oryzopsis hymenoides, Bromus tectorum, Sphaeralcea coccinea, Gutierrezia sarothrae (O'Kane 1987). Other rare species occuring in the area are Sclerocactus glaucus and Astragalus debequaeus.
5,003 - 6,542
1,525 - 1,994 meters