• Caption: BioBlitz 2008 Santa Monica Mountains National Recreation Area, California Thistle, Cirsium occidentale californicum, .4x
  • Common Name: California Thistle
  • Scientific Name: Cirsium occidentale californicum
  • Magnification: .4x
  • Notes: native
  • Specimen #: 35
  • File Name: 080531_00017.CR2