Scientific Name:	Epilobium tetragonum ssp. tetragonum
English Name:	square-stemmed willow-herb
Classification / Taxonomy
Scientific Name - Concept Reference:	Tutin, T.G., V.H. Heywood, N.A. Burges, D.M. Moore, D.H. Valentine, S.M. Walters, and D.A. Webb. 1968. Flora Europaea. Vol. 2. Roseaceae to Umbelliferae. Cambridge University Press, London. 455 pp.
Classification Level:	Subspecies
Species Group:	Vascular Plant
Species Code:	EPILTET1
Kingdom Phylum Class Order Family Plantae Anthophyta Dicotyledoneae Myrtales Onagraceae
Conservation Status / Legal Designation
Global Status:	GNRTNR
Provincial Status:	SNA (Apr 2019)
BC List:	Exotic
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Ecology & Life History
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Economic Attributes
Distribution
Endemic:	N
Disjunct, more common elsewhere:
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References and Related Literature
No references available

Please visit the website Conservation Status Ranks for definitions of the data fields used in this summary report.

Suggested Citation:

B.C. Conservation Data Centre. Species Summary: Epilobium tetragonum ssp. tetragonum. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 18, 2026).