Yellow Stingbush

in cracks and on ledges of white blocky limestone on north face of small cliff bordering large arroyo in Heath Canyon

habitat view. Plants in horizontal crevices on north face of blocky limestone cliff cut on south side of large arroyo

on north face of blocky limestone cliff cut on south side of large arroyo

on north face of blocky limestone cliff cut on south side of large arroyo

on north face of blocky limestone cliff cut on south side of large arroyo, with Parietaria pensylvania, Selaginella lepidophylla