Agoseris glauca (Pursh) Raf.
Pale Agoseris, Pale Mountain Dandelion, False Dandelion
Asteraceae (Aster Family)
USDA Symbol: AGGL
Several other yellow-flowered species of Agoseris, called False Dandelion or Mountain Dandelion, are distinguished from this one by technical features of the fruit. The true Dandelion (Taraxacum) is also similar, but has minute pegs all over the top of the fruit and usually has bracts curved back beneath the involucre.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Size Notes: Up to about 2 feet tall when flowering.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct
DistributionUSA: AK , AZ , CA , CO , IA , ID , MI , MN , MT , ND , NE , NM , NV , OR , SD , UT , WA , WY
Canada: AB , BC , MB , NT , ON , SK
Native Distribution: Western Canada; south through the California mountains; east across the West to New Mexico, South Dakota, and Minnesota.
Native Habitat: Open areas in coniferous forests and in sagebrush.
Growing ConditionsWater Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Medium
BenefitConspicuous Flowers: yes
Find Seed or Plants
View propagation protocol from Native Plants Network.
National Wetland Indicator Status
BibliographyBibref 946 - Gardening with Prairie Plants: How to Create Beautiful Native Landscapes (2002) Wasowski, Sally
Search More Titles in Bibliography
Web ReferenceWebref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resourcesUSDA: Find Agoseris glauca in USDA Plants
FNA: Find Agoseris glauca in the Flora of North America (if available)
Google: Search Google for Agoseris glauca
MetadataRecord Modified: 2022-10-31
Research By: TWC Staff