Carduus nutans
From RoguesGallery
[edit] Nodding Thistle
Carduus nutans L.- Moss, Flora of Alberta – Occasional
- Global Invasive Species Database – No
- NatureServe Rank – High/Low
- Haber, Upland – Minor
- Haber, Wetland – No
- CWF, Status & Invasive Range – Potential, BC, SK, AB, MB, ON, QC, NF, NB, NS
- Alberta Revegetation Guidelines – No
- The Nature Conservancy – Yes, w/ ESA
- CBCN – Potential
- AB Weed – Prohibited Noxious
Synonyms for Carduus nutans L.
- Carduus macrocephalus Desf.
- Carduus macrolepis Peterm.
- Carduus nutans L. ssp. leiophyllus (Petrovic) Stojanov & Stef.
- Carduus nutans L. ssp. macrocephalus (Desf.) Nyman
- Carduus nutans L. ssp. macrolepis (Peterm.) Kazmi
- Carduus nutans L. ssp. nutans
- Carduus nutans L. var. leiophyllus (Petrovic) Arènes
- Carduus nutans L. var. macrocephalus (Desf.) B. Boivin
- Carduus nutans L. var. vestitus (H.M. Hallier) B. Boivin
[edit] Remarks
Invasive in CO Montane meadows, displacing native vegetation
[1] Link to Bugwood Invasipedia for extensive information on biology, ecology, and management of this species.
Alberta Invasive Plants Council factsheet: https://www.invasiveplants.ab.ca/Downloads/FS-NoddingThistle.pdf
[2] Link to USDA Plants profile for Carduus nutans L. nodding plumeless thistle
[3] Link to NatureServe I-Rank info for Carduus nutans L.
[4] Link to Missouri Department of Conservation, Vegetation Management Guideline, Carduus nutans L.
photo: L. Hamilton
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