Index to Pollen and Nectar Sources 2709 



Pedicularis 2017, 2041(2), 2042, 2165 



canadensis 2186 



densiflora 2163(2) 



frigida 2060 



groenlandica 2015,2060 



pediculifera. Euphorbia 2177 



pedunculata, Cooperia 2146 



pedunculata, Viola 2010 



peliolata, Cuphea 2139 



penduliflora, Emmenanthe... 1803, 1820, 1939, 



1940 



pennsylvanica, Prunus 1828, 1842 



pennsylvanicum. Polygonum... 1779, 1867, 2139, 



2147 



pennsylvanicus, Persicaris 1820 



Penstemon...\lbQ, 1753, 1781, 1810, 1821, 1834, 



1835, 1838, 1841, 1847, 1855, 1867, 1935, 



1950, 1951(2), 1988(2), 1991(2), 1994, 1999, 



2008, 2009, 2015, 2017, 2019, 2020(3), 



2021(7), 2025, 2027, 2028, 2029, 2030, 



2032, 2034(2), 2035(3), 2036(2), 2037, 2038, 



2039(2), 2040, 2041(3), 2042, 2044, 2045(2), 



2049, 2051, 2054, 2056(2), 2059(3), 2061, 



2070, 2071, 2074, 2075, 2127(2), 2128, 



2129(2), 2140, 2144, 2146, 2149, 2159, 



2160(2), 2165(2), 2167, 2178, 2182, 2185 



alpinus 2020 



ambiguus 2126 



angustifolius 2018 



antirrhinoides...ll^Z, 1765, 1984, 2021, 2042, 

 2047, 2125, 2127, 2164, 2173, 2187 



attenuatus 1472 



azureus 1472 



barbatus 2184 



breviflorus...Yl&l, 2010, 2021, 2029, 2184, 



2185 



bridgesii 2025, 2042, 2073, 2184 



campanulatus 1766 



centranthifolius 2044, 2179(2) 



cinereus 2020,2021 



coloradensis 1991 



comarrhenus 1472 



cordifolius 2017 



cyananthus 1797, 2017, 2144 



cyaneus 1472 



cyanthus 2067 



davidsonii 1764, 1765 



floridus 2179 



glaber 1472 



gracilis 1472,2182 



grinnellii... 1762, 1769, 2017, 2020, 2021, 2025, 



2029, 2042(2), 2045, 2047(2), 2048, 2073, 



2164, 2179, 2181, 2184, 2185 



heterodoxus...\l&^, 2018, 2020, 2021, 2038, 



2044, 2047, 2164 



heterophyllus...U12, 1984, 1987, 2010, 2017, 



2021, 2041, 2047(2), 2164 



hirsutus 2018,2125 



incertus 2180 



labrosus... 1762, 1765, 2021, 2042(2), 2044, 2184 



laetus 1472, 2009, 2047(2) 



leonardi 2016,2180 



lyalli 1472 



moffatti 2020 



newberryi... 1764, 1765, 1768, 2015, 2018, 



2020(2), 2021, 2044 



occidentalis 1820 



occidentata 1991 



pa/men... 1762, 1769, 1942, 2020, 2029, 2042, 

 2073, 2125, 2145, 2164, 2186 



parryi 2179 



payetensis 1472 



rothrockii 2073 



secundiflorus 1472, 1991 



speciosus 2043, 2047, 2048(2) 



spectabilis...U12(2), 1803, 1989, 1994, 2009, 



2017, 2018(2), 2021(2), 2030, 2041, 2042, 



2044, 2047(5), 2048(2), 2125, 2160, 2161, 



2164, 2180, 2181 



superba 2153 



tenuifolius 2175 



ternatus 2025(2) 



unilateralis 1472 



venustus 1472 



virens 1756 



sp 1472(3) 



Pentachaeta 



aurea 2026, 2164, 2166 



Pepo 2144,2152 



pepo, Cucurbita 2139, 2184, 2185, 2187 



perenne. Erysimum 1765, 2041 



perennis, Grindelia 1869, 2182 



Perezia 



microcephala 2070(2), 2155 



perfoliata, Montia...ll95, 1796, 1797(3), 1798, 



1807(2), 1811, 1850, 1936, 2010, 2045, 



2179, 2181 



perfoliatum, Epilobium 2151 



perfoliatum, Eupatorium 1750, 1783, 2146, 2186 



perfoliatum, Hypericum 2051 



perfoliatum, Silphium... 1779(2), 1781, 1853, 1857, 

 1945, 2134, 2139, 2143, 2145, 2146, 2151, 



2154 



perforatum, Hypericum 1867 



Perideridea 



americana 1810 



Perideridia 1765, 1951(2), 1997 



gairdneri...YJ%\, 1762, 1764, 1765(2), 1767, 



2073, 2181 



perplexis, Senecio 1835 



persica, Amygdalus 2186 



persica, Pluchea 2149 



persica, Prunus 1809, 2177 



persica, Salix 1827 



Persicaris 



pennsylvanicus 1820 



pestifer, Salsola 2146, 2151, 2153 



Petalonyx 1951 



thurberi 1907(2), 2024, 2028, 2070, 2117 



Petalostemon...\lb2, 1755, 1761, 1821, 1848(2), 



1948, 1950, 1951, 1991, 2007, 2014, 2017, 



2025, 2053, 2063, 2066, 2067, 2071(2), 



2116, 2128, 2135, 2141, 2148, 2151, 



2157(2), 2165, 2178, 2186 



candidens 2134 



candidum... 1749, 1752, 1754, 1764, 1867, 1903, 



1942, 2008, 2054, 2146, 2153 



compactum 2051 



