Poa pratensis* 

 Poa secunda 



Polypogon monspeliensis 

 Puccinellia nuttalliana 

 Schedonnardus paniculatu 

 Schizachne purpurascens 

 Setaria viridis* 

 Sitanion hystrix 

 Spartina gracilis 

 Sporobous airoides 

 Sporobolus cryptandrus 

 Stipa comata 

 Stipa viridula 



POLEMONIACEAE 

 Collomia linearis 

 Ipomopsis congesta 

 Phlox alyssifolia 

 Phlox hoodii 



POLYGALACEAE 

 Polygala alba 

 Polygala verticillata 



POLYGONACEAE 

 Eriogonum cernuum 



Eriogonum flavum 

 Eriogonum pauciflorum 

 Polygonum amphibium 

 Polygonum arenastrum 

 Polygonum aviculare 

 Polygonum convolvulus 

 Polygonum lapathif olium 

 Polygonum persicarioides 

 Pumex crispus 

 Rumex salicifolius 

 Rumex venosus 



POLYPODIACEAE 

 Cystopteris fragilis 

 Woodsia oregana 



PORTALUCACEAE 

 Portaluca oleracea 



Purslane 



POTAMOGETONACEAE 



Potamogeton pectinatus Sago pondweed 

 Potentilla richardsonii pondweed 

 Poteamogeton zosterif ormis pondweed 



PRIMULACEAE 



Androsace occidentalis 



Glaux maritima 



Fairy candelabra 

 Sea milkwort 



