Index to Pollen and Nectar Sources 2713 



1943, 1944(2), 2141, 2152, 2153, 2175 

 Poly taenia... 1161, 1767, 1817, 1820, 1830, 1948, 



1950, 1951 



nuttallii 1752, 1810 



pomifera, Maculara 2177 



pomonensis. Astragalus...20l6, 2038(3), 2042, 2130, 



2160, 2163 



ponderosa, Pinus 1835, 1836 



Pontederia... 1936, 1951, 1983, 2074, 2075, 2129, 



2143 



cordata 1853, 1944, 2143, 2165 



popei, Phacelia 1471, 1757, 1758, 1919, 2153 



popei var. arizonica, Phacelia 1936 



popei var. similis, Phacelia 1471 



Populus 1828(2), 1839, 1922, 2063 



deltoides 1836 



tremuloides 1764 



porrifolius, Tragopogon 1912 



Portulaca 1867 



Potentilla...n50, 1754, 1761, 1774, 1788, 1789, 



1791, 1795, 1800, 1803, 1808, 1813, 1817, 



1820, 1821, 1830, 1833, 1834, 1836, 1839, 



1846, 1852, 1860(2), 1868, 1935, 1950, 



1951, 2008, 2015, 2017, 2018, 2021, 2035, 



2041, 2067, 2068, 2127, 2181(2), 2182 



anserina 1756, 1837 



arguta 1835 



bernardina 2073 



bolanderi var. bernardina 1860 



bolanderi var. parryi 1860(2) 



canadensis 1788, 1808, 1810, 2178 



congesta 1860 



filipes 1854 



fruticosa 1756, 1769, 1837, 1854 



fusca 1860 



glandulosa... 1756, 1762(2), 1764, 1765(3), 1767, 



1768(2), 1769(2), 1795, 1797, 1813, 1829, 



1833, 1835, 1850, 1860, 1935, 1991, 2008, 



2009, 2010(2), 2015, 2016, 2018(2), 2026, 



2038, 2042(2), 2043, 2044, 2045, 2047, 



2073, 2164 



gracilis 1860, 1991, 2008 



hippiana 1756 



monspeliensis 1867 



pumila 2178 



recta 1837, 1867, 2177, 2178 



thurberi 1749 



tridentata 1860 



wheeleri 1833 



pottsii, Croton 1771 



praealtus. Aster 1783 



praeatus. Aster 1869, 2145, 2146, 2152 



praeustus. Aster 2151 



pratense, Trifolium... 1807, 1824, 1867, 1943, 2039, 

 2051, 2067, 2134, 2139, 2142, 2144, 2186 



pratensis. Salvia 2178 



Prenanthes 1951,2056 



preussii. Astragalus 1942 



Primula 



vulgaris 2133 



primuloides. Mimulus 1938, 2010, 2042, 2048 



pringlei, Ipomoea 2119 



pringlei, Phacelia 1938, 1989 



prinoides, Quercus 1838 



Prionopsis 1852, 1944, 2140, 2145, 2153 



ciliata...n53, 1779, 1874, 1884(2), 1885, 

 2134(2), 2146, 2147, 2149, 2151 



Proboscidea 2165 



althaeafolia 1880 



arenaria 1880 



louisianica 2140 



parviflora 2182 



procumbens, Lespedeza 1867, 2139 



procumbens, Trifolium 1867 



Prosopts... 1758(5), 1763, 1764, 1767, 1768, 1821(2), 



1863, 1883, 1895, 1902(2), 1913(2), 1914, 



1915(2), 1916, 1918, 1919(4), 1920, 1921(4), 



1922, 1923, 1924, 1944(2), 1990, 1991, 



1998, 2016, 2024(2), 2025(2), 2027(2), 2028, 



2030, 2040, 2052, 2053(2), 2057, 2063(3), 



2064, 2066, 2071, 2075, 2125, 2141, 2144, 



2153(2), 2161, 2174, 2184 



gZandu/osa... 1749, 1757, 1758(2), 1764, 2141, 



2160, 2164, 2173, 2174, 2180 



glandulosa var. glandulosa 2069 



glandulosa var. torreyanum... 1758, 1768, 

 1771, 2024, 2027(2), 2028, 2029(2), 2070, 

 2071, 2074(2), 2075(2), 2157, 2174, 2185, 



2187 



juliflora...l8'il, 1873, 1886, 1893, 1908(2), 



1910, 1913, 1914, 1915(2), 1916, 1917(3), 



1918, 1919, 1920(2), 1921, 1922, 1923(2), 



1927, 1931, 1940, 1942(2), 2050, 2071, 



2073, 2153, 2177, 2179 



juliflora glandulosa 1761 



pubescens... 1758, 1923, 1943, 2017, 2027, 2028, 

 2070, 2071, 2075, 2173 



prostrata. Verbena 2010, 2026, 2073, 2180, 2182 



proteanum, Cirsium 2035 



pruinosa. Aster 2133 



Prunella 1951, 2054, 2165, 2178 



vulgaris 1867, 2139, 2141, 2181 



prunifolia. Spiraea 1777, 1819 



prunifolium. Viburnum 1828, 1836, 1838, 1841 



Pru«us... 1755(2), 1775, 1776(2), 1780, 1787, 1799, 



1800, 1801, 1802(2), 1803, 1804, 1805(2), 



1806(2), 1810, 1817, 1818, 1819(2), 1820, 



1821(2), 1822(2), 1823(2), 1825(2), 1827(2), 



1828(2), 1830(2), 1831(2), 1833, 1834, 1835, 



1836, 1839, 1840, 1841(2), 1867, 1925, 



1948, 1949, 1950(2), 1951, 2007, 2031, 



2032, 2033, 2050, 2125, 2128, 2129, 2161, 



2169, 2178, 2182, 2184, 2186 



america«a... 1808, 1809, 1810, 1818, 1827, 



1828, 1829, 1836, 1837(2), 1838, 1839, 



1841, 1842(2), 2177, 2178 



amygdalus 2181 



andersonii 1823, 1937 



angustifolia 1755, 1809, 1818, 1843, 1844 



demissa...\16b, 1803, 1824, 1836(2), 1837, 

 1839(2), 1842, 1843, 1850 



emarginata 1769, 1835, 1836, 2045 



fasciculata 2125 



fremontii 1832 



gracilis 1818, 1828, 1829, 2177 



ilicifolia...Yl%l, 1763, 1765(2), 1766, 1767, 



1795, 1820, 1829, 1832, 1834, 1835, 1836, 



1839, 1910, 2010, 2045, 2181 



