Index to Pollen and Nectar Sources 2715 



purpureum. Petalostemon... 1152(2), 1753, 1903, 



1942, 1944, 2136, 2139, 2140, 2141(2), 



2145, 2146(2), 2152, 2154 



Purshia 1820, 1821 



tridentata 1843 



purshianus, Lotus... 1943, 1987, 1991, 1994, 1999, 



2052, 2053, 2057, 2164 



purshianus, Senecio 2146 



purshii, Phacelia 1810, 1833 



pusilla, Daucus 1834 



pusilla, Malva 1934 



pusilla, Phacelia 1797 



pycnantha, Stachys 1989, 1994, 1996, 2073 



Pvcnanthemum... 1161, 1762, 1767, 1947, 1948, 



1950, 1951, 2017, 2051, 2054(2), 2059, 



2060, 2064, 2067, 2068, 2071, 2073, 2143, 



2146, 2178 



flexuosum...ll50, 1752, 1753, 1756, 1838, 



1867, 1944, 2134, 2135, 2139, 2140, 2145 



hyssyopifolium 2069, 2075 



lanceolatum 1867 



linifolium 1838, 1840 



pilosum 1867, 2134, 2145 



virginianum 1867, 1944, 2133 



pycnostachya, Liatris 2144, 2154 



pycnostachys, Lacinaria 2134 



Pycnothymus 1950 



pygmaeus, Erigeron... 1764, 1765, 1785, 1786, 2035, 



2066 



Pyracantha...ll61, 1762, 1764(2), 1765, 1767(2), 



1795, 1797, 1800, 1803, 1804, 1817, 1818, 



1820, 1827, 1828, 1830, 1836, 1838, 1839, 



1842, 1843, 1846, 1873, 1922, 2055, 2153, 



2177, 2178 



yunannensis 1837, 1839 



pyramidata, Vitex 2187 



Pyrrhopappus 1783(2), 1951, 2054(2) 



carolinianus 1779, 1780, 1783, 1784, 1962 



geiseri 1780, 2135, 2180 



grandiflorus 1780, 1784 



multicaulis 1780, 2024, 2027, 2141, 2145 



Pyrus...lll(o, 1787(2), 1800, 1802, 1804, 1806(3), 



1807, 1808, 1809(2), 1818, 1820, 1821, 



1824, 1833, 1841, 1842(2), 1843, 1950, 



1951, 2031, 2032, 2034, 2128 



ioensis 1755, 2177 



leonis 1836, 1838 



ma/us... 1776, 1777, 1802(2), 1827, 1828, 

 1835(2), 1836, 1837(2), 1838, 1839(3), 1840 



pyrus 1819, 1838 



pyrus. Pyrus 1819, 1838 



Q 



quercifolius. Erigeron 1753(2), 1764, 2177, 2178 



Quercus 1788, 1796, 1801, 1806, 1820 



agrifolia 1795, 1797 



dumosa 1836 



prinoides 1838 



Quincula 



lobata 1757(2) 



quinquefolia. Milleria 1853 



quinquefolia, Parthenocissus 2008 



R 



racemiflora. Cyrilla 1873, 2186 



racemosa, Befaria 2140 



racemosa, Cornus 1799 



racemosa, Cryptantha 2011, 2017, 2180 



racemosa, Exochoroa 1828 



racemosa, Leucothoe 1755 



racemosa, Nemophila 1788 



racemosa. Pholisma 1788, 1987, 2160 



racemosa, Pholistoma 1812 



racemosa, Polygala 2157 



radicans. Cucurbita 2139 



radicata, Hypochoeris 1790(2), 1794, 2181(2) 



Radicula 1817, 2017 



nasturtium-aquaticum 2010, 2181 



obtusa 1841 



radula. Helianthus 2133, 2144, 2146, 2151 



Rafinesquia 1980(2) 



neomexicana 1789, 1792, 1861 



rafinesquii, Viola 2178 



Raillardella 



scaposa 2036(2), 2072 



ramii. Madia 1806, 1816 



ramosissima, Phacelia... Ul 1(2), 1762, 1764, 1767, 



1795, 1832, 1847, 1936, 1986, 1987(2), 



1988(2), 1989(2), 1990(2), 1991(2), 1994, 



1995, 1996, 1998, 1999, 2009(3), 2015, 



2016, 2017, 2021, 2024, 2025(2), 2027, 



2029, 2030, 2042(2), 2044(3), 2047, 2051, 



2052(2), 2053, 2058, 2068, 2073, 2075, 



2140, 2142, 2159, 2164, 2179 



ramosissima, Tamarix 1771 



ramosissimum, Gavophytum 1934, 2008 



ramosus, Erigeron... 1153, 1761, 1838, 1884, 1893, 



2177 



ranunculacea, Phacelia 1808, 1810 



Ranunculaceae 1809 



Ranunculus... 11 5Q, 1762, 1790, 1795(3), 1796(2), 



1797, 1798, 1800, 1804, 1806(2), 1808, 



1811, 1817, 1820, 1821, 1824, 1825, 1827, 



1830, 1838, 1840, 1850, 1852, 1935, 1949, 



1950, 1951(2), 1997, 1998, 2010, 2015(2), 



2032, 2034, 2035, 2041, 2043, 2049(2), 



2056, 2060, 2073, 2126, 2127, 2128, 2163, 



2177, 2178, 2182, 2185 



abortivus 1810, 1836, 1837 



acris 1782, 1828 



alismaefolius 1795 



californicus...\165, 1768, 1790(3), 1791, 1793, 



1795(2), 1797, 1798(2), 1803, 1805, 1807(2), 



1809, 1810, 1818, 1829, 1830(2), 1832, 



1834, 1839, 1843, 1851(2), 1857, 2018, 



2032, 2034, 2047, 2048, 2125, 2164, 2179, 



2181 



canus 1788, 1807 



eremogenes 1924 



montensis 1835 



occidentalis...\im, 1790, 1792, 1795(2), 1830, 



2128 



occidentalis dissectus 1795 



orthorhynchus 1790(2), 1795 



septentrionalis 1810, 1822, 1837 



testiculatus 1794 



