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26 <br />Table 2: Special status species that could occur in the project vicinity. <br />PLANTS (adapted from CDFW 2017 and CNPS 2017) <br />Other special status plants listed by the CDFG and CNPS <br />Common and scientific names Status General habitat description *Occurrence in the study area <br />Recurved larkspur <br />(Delphinium recurvatum) <br />CNPS 1B Habitats: Occurs on alkaline <br />soils in chenopod scrub, <br />cismontane woodland, and <br />valley and foothill grassland. <br />Elevation: 3-750 meters. <br />Blooms: Perennial herb; <br />March-June. <br />Absent. Habitat is absent from the site <br />for this species. There are no <br />documented occurrences within three <br />miles of the site. <br />Mt. Diablo buckwheat <br /> (Eriogonum truncatum) <br />CNPS 1B Habitats: Occurs on sandy <br />soils in chaparral, coastal <br />scrub, and valley and foothill <br />grassland. <br />Elevation: 3-350 meters. <br />Blooms: Annual; April- <br />December. <br />Absent. Habitat is absent from the site <br />for this species. There are no <br />documented occurrences within three <br />miles of the site. <br />Jepson’s coyote-thistle <br /> (Eryngium jepsonii) <br />CNPS 1B Habitats: Occurs in valley <br />and foothill grassland and <br />vernal pools. <br />Elevation: 3-300 meters. <br />Blooms: Perennial herb; <br />April-August. <br />Absent. Although the site provides <br />some potential habitat for this species, <br />this perennial would have been <br />observed if present and it has never <br />been observed. There are no <br />documented occurrences within three <br />miles of the site. <br />Spiny-sepaled button-celery <br /> (Eryngium spinosepalum) <br />CNPS 1B Habitats: Occurs on and <br />valley and foothill grassland <br />and vernal pools. <br />Elevation: 80-975 meters. <br />Blooms: Annual/Perennial <br />herb; April-June. <br />Absent. No vernal pools occur on the <br />site and wetlands and drainages of the <br />site provide only marginal habitat for <br />this species. This species was not <br />detected during focused rare plant <br />surveys conducted in May 2017 and is <br />presumed absent. There are no <br />documented occurrences within three <br />miles of the site. <br />Diamond-petaled California poppy <br /> (Eschscholzia rhombipetala) <br />CNPS 1B Habitats: Occurs on alkaline <br />and clay soils in valley and <br />foothill grassland. <br />Elevation: 0-975 meters. <br />Blooms: Annual; March- <br />April. <br />Absent. The grasslands of the site <br />provide marginal habitat for this species <br />due to an absence of highly alkaline <br />soils or clay soils. If present, senescent <br />remains of this species would have been <br />observed during the May 2017 focused <br />rare plant surveys and no poppy species <br />were observed. There are no <br />documented occurrences within three <br />miles of the site. <br />San Joaquin spearscale <br /> (Extriplex joaquinana) <br />CNPS 1B Habitat: Occurs in chenopod <br />scrub, meadows and seeps, <br />playas, and valley and <br />foothill grasslands on <br />alkaline soils. <br />Elevation: 1-835 meters. <br />Blooms: April-October. <br />Absent. Habitat is absent on the site <br />for this species. There are no <br />documented occurrences within three <br />miles of the site.