1909 E. Warming et al. ix. lxvii. 257 In depressions lying within the subglacial tract where snow remains for a long time, one finds characteristic, greasy mud, which sustains a vegetation of its own—Öttli's snow-patch flora.
1979 B. John 26 (caption) The peaks and mountain-sides at this time of year are almost free of snow and ice, and only a few perennial snowpatches remain.