Asteraceae
Pale agoseris
Agoseris glauca
- Family
- Asteraceae
- Genus
- Agoseris
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Common names
By language (2)
- Arabic
- أغوسيريس البراري, أغوسيريس باهتة
- English
- Pale agoseris, Colorado agoseris
Synonyms
- Agoseris agrestis Osterh.
- Agoseris altissima Rydb.
- Agoseris apiculata Greene
- Agoseris dasycarpa Greene
- Agoseris eisenhoweri B.Boivin
- Agoseris glauca subsp. glauca
- Agoseris glauca subsp. scorzonerifolia (Schrad.) Piper
- Agoseris glauca var. agrestis (Osterh.) Q.Jones ex Cronquist
- Agoseris glauca var. aspera (Rydb.) Cronquist
- Agoseris glauca var. dasycephala (Torr. & A.Gray) Jeps.
- Agoseris glauca var. integerrima Kuntze
- Agoseris glauca var. pumila (Nutt.) Garrett
- Agoseris glauca var. villosa (Rydb.) G.L.Wittr.
- Agoseris isomeris Greene
- Agoseris lacera Greene
- Agoseris lanulosa Greene
- Agoseris lapathifolia Greene
- Agoseris leontodon var. aspera Rydb.
- Agoseris leontodon var. pygmaea Rydb.
- Agoseris longissima Greene
- Agoseris longula Greene
- Agoseris maculata Rydb.
- Agoseris microdonta Greene
- Agoseris procera Greene
- Agoseris pubescens Rydb.
- Agoseris scorzonerifolia (Schrad.) Greene
- Agoseris scorzonerifolia var. scorzonerifolia
- Agoseris turbinata Rydb.
- Agoseris vestita Greene
- Agoseris vicinalis Greene
- Agoseris villosa Rydb.
- Ammogeton scorzonerifolius Schrad.
- Macrorhynchus glaucus (Pursh) D.C.Eaton
- Macrorhynchus glaucus var. dasycephalus (Torr. & A.Gray) D.C.Eaton
- Microrhynchus glaucus (Pursh) D.C.Eaton
- Microrhynchus glaucus var. glaucus
- Tragopogon glaucus Steud.
- Troximon glaucum Pursh
- Troximon glaucum var. dasycephalum Torr. & A.Gray
- Troximon glaucum var. glaucum
and 1 more.
Flowers
- In flower
- June to August (from 391 flowering iNaturalist observations worldwide)
- Flower colour
- yellow (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb, Shrub, Subshrub
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Lower 48 states: native
Photos
FlowerPhoto: Matthew Gerke, CC BY 4.0, from iNaturalist 
FlowerPhoto: Jo Roberts, CC BY 4.0, from iNaturalist 
FlowerPhoto: Michael Paluch, CC BY 4.0, from iNaturalist 
FlowerPhoto: Alex Goodfriend, CC BY 4.0, from iNaturalist 
FruitPhoto: mfeaver, CC BY 4.0, from iNaturalist 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Craig Martin, CC0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Katherine Johnson, CC0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
More in Agoseris
- Orange agoserisAgoseris aurantiacaAsteraceae
- Woolly goat chicoryAgoseris apargioidesAsteraceae
- Annual agoserisAgoseris heterophyllaAsteraceae
- Agoseris monticolaAsteraceae
- Steppe agoserisAgoseris parvifloraAsteraceae
- Spearleaf agoserisAgoseris retrorsaAsteraceae
- Bigflower agoserisAgoseris grandifloraAsteraceae
- Agoseris hirsutaAsteraceae
- Agoseris chilensisAsteraceae
- Patagonian agoserisAgoseris coronopifoliaAsteraceae
- Tall agoserisAgoseris elataAsteraceae
- Agoseris laevigataAsteraceae
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.