This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Gnaphalium carpathicum Wahl. Fl. Carp. 258. pl. 3. 1814.
Antennaria carpathica Hook. Fl. Bor. Am. 1: 329. 1833.
Plant floccose-woolly throughout, not stoloniferous; stem 2-10' high, simple. Basal leaves oblanceolate or oblong, obtuse or acutish at the apex, narrowed at the base into short petioles, 1'-2' long, 2"-4' wide; stem leaves linear, acute or acutish, erect, the upper gradually smaller; heads in a terminal subcapitate cluster, or rarely solitary, 2 1/2"-3" broad; involucre 2"-3" high, woolly at the base, its bracts brownish purple, the inner ones of the fertile heads mostly acutish, those of the sterile heads mainly obtuse.
In dry soil, Labrador and Anticosti to Hudson Bay. Also in Europe and northern Asia. May-Sept.
Gnaphalium alpinum L. Sp. Pl. 856. 1753.
Antennaria alpina Gaertn. Fr. & Sem. 2: 410. I791.
Surculose by short stolons; stems floccose-woolly, 1'-4' high. Basal leaves usually numerous, tufted, spatulate or linear-oblong, obtuse, silvery-woolly on both sides, or glabrate and green above, 4"-12" long; stem leaves linear and small, few, sessile, woolly; heads in a terminal capitate, or seldom somewhat corymbose cluster, rarely solitary, 2"-21/2" broad; involucre about 2i" high, the bracts of the fertile heads dark brownish-green, the inner ones acute or acuminate, those of the sterile heads lighter, brownish, broader and obtuse; achenes glandular.
Labrador and Arctic America to Alaska and British Columbia. Western plants previously referred to this species prove to be distinct. April-Aug.
Antennaria canadensis Greene, Pittonia 3: 275. 1898.
Stems 8'-12' high, slender. Basal leaves and those of the ends of stolons spatulate to oblan-ceolate, obtuse or apiculate, 1'-1 1/2' long, 6" wide or less, gradually tapering from above the middle to a long narrow base, 1-nerved or with two faint lateral nerves, bright green and glabrous above, lanate beneath; stolons short, leafy, assurgent; stem-leaves linear-lanceolate, distant, about I wide; inflorescence capitate to racemose-corymbose; fertile involucre about 41/2" high, its outer bracts oblong, obtuse, the inner lanceolate, acute to attenuate; bracts of the staminate involucre white-tipped.
In dry soil, Newfoundland to Connecticut, Manitoba and Michigan. May-July.
The Old World Antennaria dioica (L.) Gaertn., with stem leaves close together and rose-colored in-volucral bracts, is recorded as long ago found at Providence, R. I.