Arabidopsis bursifolia (de Candolle) Botschantzev var. beringensis Jurtzev; A. mollis (Hooker) O. E. Schulz; A. trichopoda (Turczaninow) Botschantzev; A. tschuktschorum (Jurtzev) Jurtzev; Arabis hookeri Lange; A. hookeri var. breviramosa Abromeit; A. hookeri var. multicaulis Simmons; A. trichopoda Turczaninow; A. tschuktschorum Jurtzev; Halimolobos mollis (Hooker) Rollins; Turritis mollis Hooker

Plants glabrous or sparsely pubescent on stems distally and raceme rachis, trichomes simple, spreading. 2n = 16.

Flowering May-Jul. Rocky knolls, limestone hills, grassy slopes, sandy flats, shaley cliffs, stream banks, roadsides, open woodlands; 0-1200 m; Greenland; N.W.T., Nunavut, Yukon; Alaska; Asia (Russian Far East).