The Nature Conservancy San Diego Field Office UC Irvine 2015 TNC The Nature Conservancy plants Calochortus weedii weeds Mariposa lily rare plant surveys McKinley;McKinley, Matthew J. The Nature Conservancy http://www.nature.org/ourinitiatives/regions/northamerica/unitedstates/california/contact/index.htm Dataset 615 Creative Commons Attribution 4.0 International (CC-BY 4.0) For more detailed metadata, including data access and usage instructions, please download and consult README.txt file. Document the distribution and abundance of rare plants; document reproduction of species in response to fire Orange County (Calif.) 33.784409 -117.727003 33.792398 -117.682199