This section is from the book "Field Book Of Western Wild Flowers", by Margaret Armstrong. Also available from Amazon: Field Book Of Western Wild Flowers.
This has a smooth, stiff stem, one to two feet tall, the leaves cut into long, narrow divisions, and the flowers very small, cream-white or pinkish, forming a flat-topped cluster, about two inches across, with narrow, pale bracts. . This is quite pretty and common in Yosemite.
 
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