About Brickellia microphylla (Nutt.) A.Gray
Brickellia microphylla is a shrub growing 30 to 70 centimeters (12 to 28 inches) tall. It produces many small pale yellow flower heads, which are often tinged with purple. These flower heads are usually clustered together at the ends of branches. This species blooms from July to October. It is widespread across much of the Western United States and Northwestern Mexico, ranging from California and Baja California east to New Mexico and Colorado, and north to Washington, Idaho, and Wyoming. Brickellia microphylla var. scabra occurs in the more eastern and southern parts of the species' overall range, and intergrades with Brickellia microphylla var. microphylla in southern and central Utah and eastern California.