Euphorbia esula

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Legend for Species Pages

Leafy Spurge

Euphorbia esula
  • ANPC Rank –
  • Moss, Flora of Alberta – Common
  • Global Invasive Species Database – Yes[1]
  • NatureServe Rank – High
  • Haber, Upland – Principal
  • Haber, Wetland – No
  • CWF, Status & Invasive Range – High, BC, SK, AB, MB, ON, QC, NS, PEI
  • Alberta Revegetation Guidelines – No
  • The Nature Conservancy – Yes, w/ ESA
  • CBCN – High
  • AB Weed – Noxious


The roots spread, forming dense patches. Fish Creek Park and nearby areas in Calgary (south to Pine Coulee) are extensively infested. Infestations are encroaching on the small patches of grasslands on south-facing slopes along Whitemud Creek in Edmonton. In sagebrush (A. tridentata) steppe severe infestations often occur after a fire (where seed is available), and prevent recovery of the previously established vegetation.

Alberta Invasive Plants Council factsheet:

[2] Link to USDA Plants Profile for Euphorbia esula L.

[3] Link to NatureServe I-Rank info for Euphorbia esula L.

[4] Link to Missouri Department of Conservation, Vegetation Management Guideline, Euphorbia esula L.

[5] Link to Alberta Biodiversity Monitoring Institute species page for Euphorbia esula L.

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