Draba

(syn. D. rigida subsp. bryoides)

Distribution: Armenia, Caucasus, at an altitudes from 1600 to 2700 m above sea level; rocky places.

Perennial cushion-forming. Inflorescence head-like raceme 5 cm heigh or more. Flowers 4-5 mm across, yellow. Fl. IV-V. 

 

(syn. D. glacialis var. pectinata, D. pectinata, D. caeruleomontana, D. nelsonii)

Distribution: NW North America, at alpine level; dry rocky places and fellfields. 

Perennial cushion-forming. Leaves numerous, crowded. Racemes 3-15-flowered, 3-12 cm height. Flowers 3-6 mm wide, yellow. Fl. IV-V.