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. 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. 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) parryi Flora of the California desert regions Flora of Baja California Flora of the Southwestern United States Natural history of the Mojave Desert North American desert flora Plants described in 1859 Taxa named by Asa Gray