Oenothera villosa Thunberg subsp. villosa 

Oenothera cespitosa Nuttall subsp. cespitosa 

Oenothera nuttallii Sweet 

Chamaenerion latifolium (Linnaeus) Sweet 

Circaea alpina Linnaeus 

Chamerion angustifolium (Linnaeus) Holub 

Epilobium lactiflorum Haussknecht 

Epilobium ciliatum Rafinesque subsp. ciliatum 

Epilobium hornemannii Reichenbach subsp. hornemannii 

Epilobium brachycarpum C. Presl 

Epilobium clavatum Trelease 

Epilobium palustre Linnaeus 

Oenothera biennis Linnaeus 

Epilobium ciliatum subsp. glandulosum (Lehmann) Hoch & P.H. Raven 

Oenothera suffrutescens (Seringe) W.L. Wagner & Hoch 

Epilobium anagallidifolium Lamarck 

Oenothera villosa subsp. strigosa (Rydberg) W. Dietrich & P.H. Raven 

Epilobium leptophyllum Rafinesque 

The University of Calgary rough fescue prairie reserve: current use and strategies for the future, a report by the Grounds Department 

Plants and the Blackfoot 

Biogeoscience Institute of the Canadian Rockies and Foothills: continuing the legacy of Kananaskis Field Stations and the G8 Legacy Chair in Wildlife Ecology 2008-2009 annual report 

Key to plants of the farming and ranching areas of the Canadian prairies, A 

Canadian Rockies and Foothills Biogeoscience Institute, University of Calgary 06/07 annual report