Haloragidaceae (see HAL) 



Helleboraceae (see RAN) 



Hemerocallidaceae (see XAN) 



Hippocastanaceae (see SAP) 



Hippuridaceae - HPU 



Hippuris vulgaris L. - DomOl, GPF, HDH, IMF, KTZ, SF!, UTF, W&W, E/W 



Hydrangeaceae - HDR 



Fendlera rupicola A. Gray 



[WJ - see notes in IMF regarding rationale tor not recogni7inu varieties | 

 [Fendlera rupicola A. Gray var. falcata] - KWA, M&H 

 [Fendlera rupicola A. Gray var. rupicola] - W 

 [Fendlera rupicola A. Gray] - HDH, KTZ, SFW, UTF, W&W 

 [Fendlera rupicola Engelm. & A. Gray] - IMF 

 [Fendlera rupicola A. Gray var. wrightii A. Gray] - KWA, M&H 

 [Fendlera wrightii (A. Gray) Heller] - KTZ 

 Fendlerella utahensis (S. Watson) A. Heller - HDH, SFW, UTF, W&W, W 

 [Fendlerella utahensis (S. Watson) A. Heller var. utahensis] - IMF, KTZ 



Jamesia americana Torr. & A. Gray var. americana - GPF, IMF, KTZ, E/W 



| James' 

 | James' 

 | James.' 



ia americana Torr.] - SFW 

 americana Torr. & A. Gray] - DornOl, HDH, SFE, W&W 

 americana Torr. & A. Gray var. macrocalyx (Small) Fngler| - UTF 



Philadelphia microphyllus A. Gray - IMF. KTZ. SF!, UTF, W&W, E/W 

 [Philadelphus argenteus Rydb.] - KTZ 



[Philadelphus microphyllus A. Gray subsp. microphyllus] - HDH 

 [Philadelphus microphyllus A. Gray subsp. occidentalis (A. Nelson) Hitchc.] - HDH 

 [Philadelphus microphyllus A. Gray var. occidentalis (A. Nelson) Dorn] - DornOl 

 [ Philadelphia microph\ tins A. Gray var. ovalus I hi] - KTZ 

 [Philadelphus occidental is A. Nelson var. minutus (Rydb.) Hu] - KTZ 

 | Philadelphus occidentalis A.Nelson var. occidentalis] - KTZ 



Hydrocharitaceae - HDC (see also NAJ) 



(Identification sources: 



#Egeria densa Planch. - FNA, KTZ <AZ, KS. NE, NM, OK, UT> 



[Elodea densa (Planch.) Caspary] - GPF. HDH, possible escape 



Elodea (see also Egeria) 



Elodea bifoliata H. St. John - DornOl, FNA, KTZ, SF!, W&W 1 , E/W 



[Elodea longivaginata H. St. John] - GPF, IMF, UTF, W&W 

 Elodea canadensis Michx. - DornOl, FNA, GPF, HDH, IMF, KTZ, SF!, UTF, E/W 



[Idodea canadensis Richards. | - W&W 



Snow, N. January 200'). Checklist ot" Vascular Plants otitic Southern Rock\ Mountain Region. (Version 3). 



