FIGURE 2. A. Pyroclastic rubble on a south facing slope in Placer County, California, where N. crystallina was collected in 2014 (Johnson et al. 14-030, BRY; photograph by L. A. Johnson). B. Map of a portion of California, U.S.A., with county borders, showing the distribution of Navarretia crystallina (white stars with five points) and N. miwukensis (black stars with three points). Tertiary pyroclastic deposits are shaded gray (derived from 2010 Geologic Map of California; http://www.quake.ca.gov/gmaps/GMC/stategeologicmap.html).

Published as part of Johnson, Leigh A., Gowen, David, Johnson, Robert L., Brabazon, Holly & Goates, Emily D., 2016, Navarretia crystallina and N. miwukensis (Polemoniaceae): new species endemic to California with affinity for soils derived from pyroclastic deposits, pp. 249-260 in Phytotaxa 257 (3) on page 253, DOI: 10.11646/phytotaxa.257.3.3, http://zenodo.org/record/13670444