August 16, 2020 Arctostaphylos crustacea ssp. crustacea Brittleleaf Manzanita Pallid manzanita (Arctostaphylos pallida) and brittleleaf manzanita (A. crustacea) grow in the rocky soil of a manzanita barren at Huckleberry Preserve.Arctostaphylos crustacea. Photo by Jane Kelly. Where to see itHuckleberry Botanic Regional Preserve: Supplement to the Self-Guided Tour