[The Pink Family in the Mountains and Deserts of the American Southwest]

Frost mat as seen on sandy soils at the Indian Head Ranch north of Borrego Springs, California..........March 29, 2011.

Frost mat as seen on sandy soils at the Indian Head Ranch north of Borrego Springs, CA........March 25, 2010.

Frost mat blooming on a sandy wash adjacent to Ram's Hill, southeast of Borrego Springs, CA......March 26, 2005.

Frost mat as seen on sandy soils at the Indian Head Ranch north of Borrego Springs, California..........March 29, 2011.