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     See Senecio atratus for a discussion of the differences between Senecio, Ligularia, and Packera.

Senecio crassulus (Thick-leaf Ragwort)
Asteraceae (Sunflower Family)

Montane, subalpine, alpine. Meadows, openings. Summer.
Meadow on Lone Cone Mountain, August 8, 2011.

The mountain side immediately above tree-line on Lone Cone was a carpet of yellow, much of it Senecio crassulus.  As Betty, Willi, and I walked through the meadow, we scattered a number of butterflies.  The second photograph below shows Milbert's Tortoise Shell, Nymphalis milberti, at the southerly limit of its range.  Click for more information about this butterfly. 

The third photograph shows Hoary Comma, Polygonia gracilis, a western U.S. and Canadian species.  Click for more information about this butterfly.

Both butterfly species are commonly found on tundra (and much lower elevations also) and both readily feed on flowers. 

Betty and Willi above tree-line on Lone Cone
Senecio crassulus
Senecio crassulus