Antennaria argentea Benth.  
Family: Asteraceae
Silver Pussytoes
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Randall J. Bayer in Flora of North America (vol. 19, 20 and 21)
Dioecious. Plants 18-40 cm. Stolons none. Basal leaves: 1-3-nerved, oblanceolate to elliptic, 20-50 × 4-15 mm, tips acute, faces ± gray-tomentose. Cauline leaves lanceolate, 15-45 mm, not flagged. Heads 10-75 in pani-culiform arrays. Involucres: staminate 4-5 mm; pistillate 4-5 mm. Phyllaries (relatively broad) distally silvery white. Corollas: staminate 2.5-3.5 mm; pistillate 3-4 mm. Cypselae 1-1.5 mm, glandular; pappi: staminate 4-5 mm; pistillate 3-4 mm. 2n = 28. Flowering summer. Openings in dry coniferous forests; 600-2000 m; Calif., Nev., Oreg., Wash. Antennaria argentea is distinguished by its robustly stoloniferous habit and silvery white phyllaries.

Antennaria argentea
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