''Antennaria argentea'' is a North American species of flowering plants in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...

known by the common name silver pussytoes or silvery everlasting. It is native primarily to

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idaho. T ...

and to northern and central

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

with additional populations in

Nevada Nevada ( ; ) is a state in the Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the 7th-most extensive, ...

Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and Wyomi ...

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...

, and

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

.Wildflowers of Crater Lake National Park, ''Antennaria argentea''
includes photos and range map ''Antennaria argentea'' grows in dry

coniferous forests Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single extant class, Pinopsida. All exta ...

. This is a perennial herb forming a basal patch of woolly grayish oval-shaped leaves a few centimeters long and many slender erect stems up to 40 centimeters tall. It is dioecious, with male and female plants producing different types of flowers. Both flower types are clustered in many flower heads with whitish

phyllaries In botanical terminology, a phyllary, also known an involucral bract or tegule, is a single bract of the involucre of a composite flower. The involucre is the grouping of bracts together. Phyllaries are reduced leaf-like structures that form one o ...

. The female plants produce fruits which are achenes with a soft pappus a few millimeters long.Flora of North America Vol. 19, 20 and 21 Page 397 Silver pussytoes ''Antennaria argentea'' Bentham
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References

External links

several photos * ttp://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?609,671,672 Jepson Manual Treatmentbr>United States Department of Agriculture Plants ProfileCalphotos Photo gallery, University of California
argentea Flora of the Western United States Plants described in 1849 {{gnaphalieae-stub