Synonyms: Draba caruleomontana, Draba caeruleomontana var. piperi, Draba nelsonii, Draba pectinata, Draba sphaerula
Nuttall's Draba is a tufted, matted perennial wildflower with numerous spreading, leafy branches from 2-7 cm long which form a mat up to 20 cm across. Numerous dead leaves are found on the lower stems while the living leaves are found above. The leaves are linear to oblanceolate in shape with rounded tips and measure 2-12 mm long and 0.5-3 mm wide. The midrib is prominent on the blade and the margins often crisped. The blades are glabrous except for a few forked or star-shaped hairs on the lower surface and the margins which are ringed with simple, stiff hairs up to 1 mm long.
The inflorescence is a 3- to 15- flowered raceme atop the leafless scape which measures 0.3-15 cm high. The scapes are glabrous to moderately covered with stiff, simple to forked hairs. The petals are yellow and 2-6 mm long. The fruit is a compressed, lance-ovate silicle from 3-6 mm long and 2-3.5 mm wide. The silicle is sparsely covered with simple to radiate hairs.
Nuttall's Draba may be found on open rocky ridges and peaks at middle to upper elevations in the mountains.
Nuttall's Draba is found to the east of the Cascade Mts. from southern British Columbia south through Washington and Oregon to the Sierra Nevada Mts. of California. It is found eastward to the Blue and Wallowa Mts. of northeastern Oregon and southeastern Washington and further east to Idaho, Montana, western Wyoming and Utah.