Draba crassifolia, R. C. Graham

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 312

42. D. crassifolia R. C. Graham in Jameson, Edinb. New Philos. Jour. 7:182 (1829).

D w arf arctic perennial, with glabrous, usually leafless, flowering stems up to 6 cm, and rather thick oblong-

spathulate basal leaves with a few unbranched hairs. Inflorescence 3- to 9-flowered; petals pale yellow, narrow, scarcely longer than sepals. Silicula 4-7 mm, glabrous. Arctic Scandinavia. No Su. (Greenland, North America.)

Sometimes described as annual or biennial, but apparently always perennial. Included by O. E. Schulz in Sect. Drabella , but probably more closely related to Sect. Draba .