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<br />Soil Investigations for Data Collection in the Delta <br />Initial Study/Proposed Mitigated Negative Declaration 124 <br />Implementation of Mitigation Measures MM BIO-1b, MM BIO-12, MM BIO-18, <br />and MM BIO-19 would further avoid, minimize and/or reduce the potential for <br />impacts to bearded popcornflower. <br />Eel-grass pondweed (Potamogeton zosteriformis) <br />Eel-grass pondweed has a CRPR of 2B.2, but it is not listed under FESA or <br />CESA. This species is an annual aquatic herb in the pondweed family, and it <br />blooms from June through July (CNPS 2019). The current range of this species <br />in California includes the southern Inner North Coast Range, Central Valley, and <br />Modoc Plateau (CNPS 2019; Jepson Flora Project 2019). It typically grows in <br />freshwater marshes and swamps (CNPS 2019). The microhabitat for Eel-grass <br />pondweed includes ponds, lakes, and streams (CDFW 2019). There are no listed <br />threats to this species (CNPS 2019). This species has moderate potential to <br />occur within the Study Area based on the presence of potentially suitable habitat. <br />Implementation of Mitigation Measures MM BIO-1b, MM BIO-12, MM BIO-18, <br />and MM BIO-19 would reduce potential impacts to eel-grass pondweed to: Less <br />than Significant with Mitigation Incorporated. <br />California alkali grass (Puccinellia simplex) <br />California alkali grass has a CRPR of 1B.2, but it is not listed under FESA or <br />CESA. This species is an annual herb in the grass family, and it blooms from <br />March to May (CNPS 2019). The current range of this species in California <br />includes the Tehachapi Mountains Area, the Central Valley, San Francisco Bay <br />Area, and western Mojave Desert (CNPS 2019, Jepson Flora Project 2019). It is <br />presumed extirpated from Kings County. It typically grows in chenopod scrub, <br />meadows and seeps, valley and foothill grassland, and vernal pools (CNPS <br />2019). The microhabitat for California alkali grass includes alkaline, vernally <br />mesic sinks, flats, and lake margins (CDFW 2019). Threats to this species <br />include hydrological alterations, urbanization, agricultural conversion, <br />development, habitat fragmentation, and solar energy development (CNPS <br />2019). This species has moderate potential to occur within the Study Area based <br />on the presence of potentially suitable habitat. <br />Implementation of Mitigation Measures MM BIO-1b, MM BIO-12, MM BIO-18, <br />and MM BIO-19 would reduce potential impacts to California alkali grass to: Less <br />than Significant with Mitigation Incorporated. <br />Sanford's arrowhead (Sagittaria sanfordii) <br />Sanford’s arrowhead has a CRPR of 1B.2, but it is not listed under FESA or <br />CESA. This species is a perennial rhizomatous herb in the water-plantain family, <br />and it blooms from May through November (CNPS 2019). It is endemic to <br />California, and its current range includes the northern North Coast, Klamath <br />Ranges, Cascade Range Foothills, Central Valley, and northern South Coast <br />(CNPS 2019; Jepson Flora Project 2019). However, it is presumed extirpated