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Bransford, W.D. and Dolphia
Agoseris glauca (Pursh) Raf.
Pale agoseris, Pale mountain dandelion, False dandelion
USDA Symbol: aggl
USDA Native Status: Native to U.S.
Several leafless stalks, each with a yellow flower head at the top, grown from a basal cluster of leaves. Sap milky.
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.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf:
Green Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug , Sep
AK , AZ , CA , CO , IA , ID , MI , MN , MT , ND , NE , NM , NV , OR , SD , UT , WA , WY Canada: AB
, 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. USDA Native Status: L48(N), AK(N), CAN(N)
Growing ConditionsWater Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Medium
BenefitConspicuous Flowers: yes
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Record Modified: 2009-02-19
Research By: TWC Staff