JACKSON: UREDINALES OF OREGON 
Muhlenbergia comata 197 
Lemmoni 192 
racemosa 197 
Nabalus hastatus 120 
Navarettia intertexta 106 
Onagraceae 24, 28, 82, 99, 175, 201 
Orchidaceae 26, 217 
Ornithogalum umbellatum 63 
Narbonense 63 
Osmorrhiza brevipes 148 
divaricata 148 
Liebergii 148 
occidentalis 148 
Oxycoccus macrocarpus 27 
Oxyria digyna 142 
Pachylophus marginatus 201 
montanus 201 
Panicularia elata 159 
pauciflora 159 
Pedicularis bracteosa 86 
racemosa 86 
Pentstemon sp. 170 
diffusus 147 
Menziesii 143 
Peucedanum sp. 81 
triternata 122 
Phalaris arundinacea 125 
Phacelia heterophylla 136 
leucophylla 136 
Phegopteris Dryopteris 9 
Phleum pratense I51 
Phlox condensata 97 
diffusa 97 
speciosa 150 
Phoradendron villosum 220 
Picea canadensis 22 
Engelmanii 6, 22, 218 
excelsa 30 
mariana 22 
Pinaceae 45-5,.6; 7,-8,.13,-15, 20; 22, 24, 
31, 32, 218, 219 
Pinus contorta 4, 7 
ponderosa 8 
pungens 8 
rigida 4 
Piscaria setigera 19 
Plumbaginaceae 181 
Poa ampla 85, 100 
annua 100 
295 
Poa fertilis 100 
Kingu 59 
macrantha 100 
nemoralis 100 
pratensis 100 
triflora 100 
trivialis 100 
Poaceae 59, 63, 67, 85, 103, 107, 118, 
124, 125, 135, 136, 145, 149) ‘151, 
155521575 259, LOO 167)/°172,< 182: 
192, 197 
Polemoniaceae 97, 106, 150 
Polygonaceae 60, 74, 142, 152, 153, 167, 
IQI, 202 
Polygonum alpinum 153 
amphibium 153 
aviculare 202 
emersum 153 
imbricatum 74 
Muhlenbergii 153 
Newberryi 74 
pennsylvanicum 153 
Polypodiaceae 9, 10, II, 23, 31, 32 
Polypodium occidentale 10 
Polystichum munitum 10, 23 
Populus acuminata 18 
alba 12 
angustifolia 18 
balsamifera 18 
candicans 18 
tremuloides 13 
trichocarpa 18 
Portulaceae 84, 209 
Potentilla aracnoides 53 
blaschkeana 49 
glomerata 49 
gracilis 49 
Hippiana 53 
Primulaceae 128, 141 
Prunus domestica 178 
Pseudotsuga mucronata 13 
Pteridium aquilinum pubescens 32 
Ptiloria paniculata III 
Puccinellia nuttalliana 85 
Pulicaria dysenterica 193 
Pyrus baccata 35 
communis 35 
diversifolia 35 
ioensis 35 
malus 35 
rivularis 35 
sinensis 35, 40 
