Phalaris canariensis L. - RBS, DornOl , GPF, HDH, IMF, KTZ, SFE, UTF, W&W, E 

 Phalaris caroliniana Walter - RBS, GPF. HDH, IMF, KTZ, SFE, W&W, E 

 Phalaris minor Retz. - RBS, HDH, KTZ, SFE, W&W. E 



Phalaroides (see Phalaris) 



Phippsia algida (Phipps) R. Br. - RBS, DornOl, HDH, KTZ, SF!, W&W, E/W 



Phleum alpinum L. - RBS, DornOl, GPF, HDH, IMF, KTZ, UTF, W&W 1 , misapp. 



[Phleum alpinum L. var. alpinum] - E/W 



[Phleum commutatum Gaudin] - SF!, W&W 

 Phleum pratense L. - RBS, DornOl, GPF, HDH, IMF, KTZ, SF!, UTF, W&W 



[Phleum pratense L. var. pratense] - E/W 



Phragmites australis (Cav.) Trin. ex Steud. - DornOl, FNA, RBS. GPF, IMF, KTZ, UTF, W&W, 



E/W 

 [Phragmhes auslralis (Cav.) Trin.] - SF! 

 [Phragmites communis Trin.] - HDH 



Piptatherum exiguum (Thurb.) Barkworth - RBS, DornOl, KTZ, FNA 



[Oryzopsis exigua Thurb.] - GPF. HDH, IMF, SF!, UTF, W&W, E/W 

 Piptatherum micranthum (Trin. & Rupr.) Barkworth - RBS, DornOl. FNA, KTZ, SF!, W&W 1 



[Oryzopsis micrantha (Trin. & Rupr.) Thurb.] - GPF, HDH, IMF, UTF, W&W, E/W 



Piptatherum pungens (Torr.) Barkworth - RBS, DornO 1 , FNA, KTZ 

 [Oryzopsis pungens (Torr.) Hitchc.] - GPF, HDH, SF! 

 [Oryzopsis pungens (Torr. ex Spreng.) Hitchc. - Hartman06, W&W, E/W 



Piptochaetium fimbriatum (Kunth) Hitchc. - FNA 



Pleuraphis (see Hilaria) 



Poa 



[NS - See SnowOSa for a recenr key to species from the SRMR] 



(Identification sources: ) 



Poa abbreviata R. Br. subsp. pattersonii (Vasey) A. Love, D. Love. & B. M. Kapoor - FNA, 

 KTZ. SF!, W&W 



[Poa abbreviata R. Br.] - RBS 



[Poa pattersonii Vasey] - DornOl, HDH, IMF, UTF, E/W 

 Poa alpina L. - RBS, DornOl. FNA, HDH, IMF, KTZSF!, UTF, W&W, E/W 

 Poa annua L. - RBS, DornOl, FNA, GPF, HDH, IMF, KTZ, SF!, UTF, W&W, E/W 

 {Poa arachnifera Torr.} 



{"NS - approaches our area closely in southeast CO from southwest KS} 



Poa arctica R. Br. subsp. aperta (Scribn. & Merr.) Soreng - FNA, KTZ. SFW, W&W 1 , E/W 



[Poa aperta Scribn. & Merrill] - W&W 

 [Poa arctica R. Br.]- IMF 



[Poa arctica R. Br. subsp. aperta (Vasey) Soreng] - SFE 

 Poa arctica R. Br. var. arctica - DornOl, FNA, E 



247 



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