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Bransford, W.D. and Dolphia
Agoseris glauca (Pursh) Raf.
Pale agoseris, Pale mountain dandelion, False dandelion
USDA Symbol: AGGL
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
, 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.
Growing ConditionsWater Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: Medium
BenefitConspicuous Flowers: yes
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2009-02-19
Research By: TWC Staff