ITEM 23 ATTACHMENT 6 - Project Plans

Table 2 Special-Status Species for the Las Trampas Ridge, Diablo, Tassajara, Hayward, Dublin, Livermore, Newark, Niles, and La Costa Valley 7.5 Minute Quadrangle Maps1 Common Name/Scientific Name Status (Fed/State/ Other)2 Blooming or Survey Period Habitats of Occurrence Potential on Site Status on Site** big-scale balsamroot (Balsamorhiza macrolepis var. macrolepis) -/-/1B.2 March – June Chaparral, cismontane woodland, and valley and foothills grasslands, sometimes in serpentinite outcrops. Located from 150 – 5,100 ft. elevation. Low Annual grassland may provide marginally suitable habitat Not likely to occur Mount Diablo fairy-lantern (Calochortus pulchellus) -/-/1B.2 April – June Chaparral, cismontane woodland, riparian woodland, and valley and foothill grassland; on wooded and brushy slopes. Located from 100 – 2,755 ft. elevation. Low Foothill grassland with woody and brush slopes are present, but habitat is highly degraded Not likely to occur chaparral harebell (Campanula exigua) -/-/1B.2 May – June Chaparral, in rocky, usually serpentine soils. Located from 900 – 4,100 ft. elevation. Property outside of elevation range. Presumed absent Congdon’s tarplant (Centromadia parryi ssp. condonii) -/-/1B.2 June – November Valley and foothill grasslands in alkaline soils. 0 – 755 ft. elevation. No suitable habitat present Presumed absent Point Reyes salty bird’s-beak (Chloropyron maritimum ssp. palustre) -/-/1B.2 June – October Hemiparasitic annual herb found in marshes and swamps with coastal salt. Located from 0 – 35 ft. elevation. Property outside of elevation range. Presumed absent palmate-bracted bird’s-beak (Cordylanthus palmatus) E/E/1B.1 May – October Chenopod scrub, valley and foothill grassland; usually on Pescadero silty clay, which is alkaline, with Distichlis, Frankenia, etc. Located from 15 – 510 ft. elevation. No suitable habitat present Presumed absent