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<br />occur in the Study Area vicinity. A table of these species, and their protection status, habitat <br />requirements, and likelihood to occur in the Study Area is provided in Appendix B. Sources for this <br />search included the California Department of Fish and Game (CDFG) Natural Diversity Database <br />(CDFG 2005) records and the California Native Plant Society (CNPS) Electronic Inventory of Rare <br />and Endangered Vascular Plants of California (CNPS 2005) for the USGS La Costa Valley, <br />Calaveras Reservoir, Milpitas, Newark, Hayward, Mountain View, Livermore, Dublin, and Niles <br />quadrangles. <br /> <br />2,2 Field Survey <br /> <br />One early season and two late season field surveys were conducted on April 26, June 3, and July <br />30, 2005. The surveys corresponded to peak blooming periods for observing and accurately <br />identifying rare plant species with potential to occur within the Study Area vicinity. The field surveys <br />were conducted by botanists who have experience with the rare plant species that could occur in <br />the area. The surveys followed the protocol for plant surveys described by Nelson (1987). All <br />plants were identified using The Jepson Manual (Hickman 1993), to the taxonomic level necessary <br />to determine whether or not they were rare. A list of observed plant species is provided in <br />Appendix C. <br /> <br />3.0 RESULTS <br /> <br />3,1 Background Data Search Results <br /> <br />Based upon a review of CNDDB (CDFG 2005) and CNPS Electronic Inventory (CNPS 2005) <br />records, it was initially determined that 30 special status plant species had potential to occur, based <br />on specific habitat requirements, in the vicinity 01 the Study Area (Appendix B). These 30 species <br />were the focus of protocol-level special status plant surveys conducted in April, June, and July <br />2005. <br /> <br />3.2 Field Survey Results <br /> <br />One hundred and eighteen plant species were observed within the Study Area during the rare plant <br />surveys conducted on April 26, June 3, and July 30, 2005 (Appendix C). These field visits <br />coincided with peak blooming periods for all special status plant species with potential to occur in <br />the Study Area. No special status plant species were detected during these surveys. <br /> <br />4.0 CONCLUSIONS <br /> <br />No special status plant species were found on the Study Area during the rare plant surveys <br />conducted on April 26, June 3, and July 30, 2005. These surveys coincided with peak blooming <br />periods lor all of the 30 potentially occurring special status plant species. No additional rare plant <br />surveys are recommended. <br /> <br />5 <br />