Four species of the Onagraceae are known to occur on campus:
Fireweed (Epilobium angustifolium)
Photo: Ian Walker
Location: Adjacent to Parking Lot W, UBC Okanagan (22 May 2019)
Tall Annual Willowherb (Epilobium brachycarpum)
Photo: Ian Walker
Location: At the northeasternmost corner of
the endowment land fields, UBC Okanagan (20 July 2018)
Purple-leaved Willow-herb (Epilobium ciliatum)
Photo: Ian Walker
Location: Adjacent to EME building, UBC Okanagan (12 June 2019)
Hairy Evening-primrose (Oenothera villosa)
Photo: Ian Walker
Location: Adjacent to Parking Lot H, UBC Okanagan (19 June 2019)