Calycoseris parryi, the yellow tackstem, is a spring wildflower found in the Mojave Desert, the Sonoran Desert, and surrounding regions of the southwestern United States and northwestern Mexico. It is found in California, Nevada, Utah, Arizona, and Baja California.Flora of North America, Yellow tack-stem, Calycoseris parryi A. Gray in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 106. 1859.Biota of North America Program 2014 county distribution mapCalflora taxon report, University of California, Calycoseris parryi A. Gray yellow tackstem
Calycoseris parryi grows up to 30 centimeters (12 inches) tall in sandy soils below 6,000 feet. The plant has yellow flowers with leaves up to 4.5 inches (11.25 cm) long, and is part of the Sunflower Family.Mojave Desert Wildflowers, Jon Mark Stewart, 1998, page 110
References
External links Calflora Database: Calycoseris parryi (Yellow tackstem) Jepson Manual eFlora (TJM2) treatment of Calycoseris parryi USDA Plants Profile for Calycoseris parryi (yellow tackstem) The American Southwest: Calycoseris parryi UC CalPhotos gallery of Calycoseris parryi (yellow tackstem)