Asteraceae
Smooth blue aster
Symphyotrichum laeve
- Family
- Asteraceae
- Genus
- Symphyotrichum
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Common names
By language (8)
- Chinese
- 平光卷舌菊, 平光紫菀
- Czech
- Astřička hladká, Hvězdnice hladká
- Dutch
- Gladde aster
- English
- Smooth blue aster, Glaucous aster, Glaucous Michaelmas-daisy, Smooth aster, Smooth-leaved aster, Geyer's aster
- German
- Glatte Aster, Glatte Herbstaster, Kahle Aster
- Slovak
- Astra hladká
- Slovenian
- Gladka nebina
- Welsh
- Blodyn-Mihangel llwydlas
Synonyms
- Aster autranii Post
- Aster bupleurifolius Hort.Monsp. ex Nees
- Aster concinnus Willd.
- Aster cyaneus Hoffm.
- Aster decorus Desf. ex DC.
- Aster expansus Nees
- Aster glaucescens Wender. ex Nees
- Aster glaucus Nees
- Aster laevigatus Willd.
- Aster laevis L.
- Aster laevis f. laevis
- Aster laevis subsp. geyeri (A.Gray) Piper
- Aster laevis subsp. laevis
- Aster laevis var. abbreviatus Lunell
- Aster laevis var. amplifolius Porter
- Aster laevis var. cyaneus (Hoffm.) A.Gray
- Aster laevis var. geyeri A.Gray
- Aster laevis var. guadalupensis A.G.Jones
- Aster laevis var. laevigatus (Willd.) A.Gray
- Aster laevis var. laevis
- Aster laevis var. latifolius Porter
- Aster laevis var. panduratus Farw.
- Aster laevis var. simplex Cockerell
- Aster laevis var. sourisensis Lunell
- Aster laevis var. thyrsoideus Farw.
- Aster laevis var. undulatifolius Lunell
- Aster lucidus Hort.Kew. ex Loudon
- Aster pensilvanicus Poir.
- Aster pickettianus Suksd.
- Aster politus Nees
- Aster rubricaulis Lam.
- Symphyotrichum laeve subsp. laeve
- Symphyotrichum laeve var. geyeri (A.Gray) G.L.Nesom
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native
Photos
Photo: Kathleen Houlahan Chayer, CC0, from Wikimedia Commons 
Photo: Joshua Mayer, CC BY-SA 2.0, from Wikimedia Commons 
Photo: John W. Hancock, CC0, from Wikimedia Commons 
Photo: megachile, CC0, from Wikimedia Commons 
Photo: Nate Martineau, CC BY 4.0, from Wikimedia Commons 
Photo: Judy Gallagher, CC BY 4.0, from Wikimedia Commons 
Photo: Joshua Mayer from Madison, WI, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Sarah Vermaak, CC BY 4.0, from Wikimedia Commons 
Photo: Mara McHaffie, CC0, from Wikimedia Commons 
Photo: Kevin Kenny, CC BY 4.0, from Wikimedia Commons
More in Symphyotrichum
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- Rice button asterSymphyotrichum dumosumAsteraceae
- White heath asterSymphyotrichum ericoidesAsteraceae
- Aromatic asterSymphyotrichum oblongifoliumAsteraceae
- Hairy white oldfield asterSymphyotrichum pilosumAsteraceae
- Blue wood asterSymphyotrichum cordifoliumAsteraceae
- Calico asterSymphyotrichum lateriflorumAsteraceae
- Shore asterSymphyotrichum tradescantiiAsteraceae
- Rayless alkali asterSymphyotrichum ciliatumAsteraceae
- Serpentine asterSymphyotrichum depauperatumAsteraceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.