Eriophyllum, commonly known as the woolly sunflower, is a genus of annual or herbaceous perennial plant native to western North America, with a concentration of narrow endemics in the California Floristic Province. Eriophyllum species are used as food plants by the larvae of some Lepidoptera species including Phymatopus californicus. Each of the 1... Found on http://en.wikipedia.org/wiki/Eriophyllum
These pretty perennials are found growing wild in dry scrub in the foothills and mountains of western North America. E. lanatum forms thick clumps of finely divided leaves that are silvery gray and white woolly beneath. The star-shaped, Daisy-like, brilliant yellow flowers are produced singly on strong, thin stems over a long period in the summer. ... Found on http://www.encyclo.co.uk/local/10004