Image: Chorizanthe valida counting
Description: Chorizanthe valida: "Natural resource managers and California Native Plant Society volunteers census the main population of the Sonoma spineflower each year. In the past the main population has exceeded 20,000 individuals, making the task of counting these small annuals a challenge."
Title: Chorizanthe valida counting
Credit: http://www.nature.nps.gov/yearinreview/yir2000/pages/05_restoration/05_01_coppoletta.html
Author: Unknown authorUnknown author
Permission: Public domainPublic domainfalsefalse This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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