Epilobium hirtigerum, commonly known as the hairy willow herb, is a species in the family Onagraceae.
It is found in Australia, Indonesia, New Zealand, including the Chatham Islands, and South America.[1]
In Australia, it is found in New South Wales, Queensland, South Australia, Tasmania, Victoria, and Western Australia.[2] In New South Wales, it is widespread in moist and often weedy places.[2] In Western Australia, it is endemic and found in the South West, Wheatbelt and Peel regions.