Anaphalis margaritacea

Found in moist to dry meadows, open forests, logging areas, fields and roadsides in the lowland, montane and subalpine zones. Late summer - autumn blooms. 

General: 

Perennial herbs from rhizomes; stems usually unbranched, leafy, white-woolly, 20-90 cm tall.

Leaves:
Basal leaves few, deciduous; stem leaves alternate, narrowly lance-shaped with a conspicuous mid-vein, 2-15 cm long, 0.5-2 cm wide, greenish above, white-woolly beneath; margins often rolled under.

Flowers:
Heads small, discoid, in dense flat-topped clusters; involucres 5-7 mm tall, woolly at the base; involucral bracts dry, pearly white, sometimes with a dark basal spot; disk flowers yellowish.

Fruits:
Achenes small, to about 1 mm long; roughened; glabrous to sparsely hairy; pappus hairs white.