About Erigeron concinnus (Hook. & Arn.) Torr. & A.Gray
Erigeron concinnus (Hook. & Arn.) Torr. & A.Gray, commonly known as Navajo fleabane, tidy fleabane, or hairy daisy, is a perennial flowering plant in the Asteraceae family. This species is native to dry mountain habitats of the Mojave Desert surrounding Death Valley in southeast California, with its range extending north and east to Nevada, Idaho, Utah, Wyoming, Montana, Colorado, Arizona, and New Mexico. Within the part of its range that lies in California, it grows at elevations between 1200 and 1800 m. Some confirmed populations of the plant are located within Mojave National Preserve. Erigeron concinnus grows in sandy to rocky soils and reaches a height between 6 and 16 cm (2.5 to 6.5 in). Its leaves measure 2–6 cm (1–2.5 in) long, with a lanceolate to linear shape and are broadest near the rounded tip. Flower heads may grow one per branch, or in clusters of up to 6 heads per branch. Each flower head has a diameter of 7–11 mm (0.28–0.43 in), and contains 50 to 125 ray florets that can be white, pink, or blue, along with yellow disk florets. Three recognized varieties of this species exist, each with their own documented distributions: Erigeron concinnus var. concinnus is found in Arizona, California, Colorado, Idaho, Nevada, New Mexico, Utah, and Wyoming; Erigeron concinnus var. condensatus D.C.Eaton is found in New Mexico, Utah, and Wyoming; and Erigeron concinnus var. subglaber (Cronquist) G.L.Nesom is found in Arizona, Colorado, and Utah.
