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** oval-leaved viburnum (Viburnum ellipticum) -/-/2B.3 May – June Perennial deciduous shrub found among chaparral, cismontane woodland, and lower montane coniferous forests. Located from 705 – 4,595 ft. elevation. Property outside of elevation range. Presumed absent INVERTEBRATES Crotch bumble bee (Bombus crotchii) -/CE/- Resident Found in open grassland and scrub, able to persist in semi- natural habitats surrounded by intensely modified landscapes. Nests underground and requires undisturbed nesting and winter sites. Historic range extends from central CA south to Baja, Mexico. Recent observations indicated retraction from northern and southern extremes of range. Low Only marginal habitat present, 1 CNDDB occurrence within 5 miles from 1932. Not likely to occur western bumble bee (Bombus occidentalis) -/CE/- Resident Found in a range of habitats including mixed woodlands, farmlands, urban areas, montane meadows, and prairie grasslands with abundant flora resources that provide pollen and nectar throughout their flight period. Usually nests underground. Occurs in Canada and USA from southern British Columbia to central California. Low Only marginal habitat present, 1 CNDDB occurrence within 5 miles from 1952. Not likely to occur vernal pool fairy shrimp (Branchinecta lynchi) T/-/- Resident Endemic to central valley vernal pools and swales. No suitable habitat present Presumed absent