27c. Antennaria rosea Greene subsp. pulvinata (Greene) R. J. Bayer, Brittonia. 41: 59. 1989.
Pulvinate pussytoes
Antennaria pulvinata Greene, Pittonia 3: 287. 1898; A. albescens (E. E. Nelson) Rydberg; A. fusca E. E. Nelson; A. gaspensis (Fernald) Fernald; A. howellii Greene subsp. gaspensis (Fernald) Chmielewski; A. isolepis Greene; A. maculata Greene; A. manicouagana P. Landry; A. media Greene subsp. fusca (E. E. Nelson) Chmielewski; A. neglecta Greene var. gaspensis (Fernald) Cronquist; A. neodioica Greene var. gaspensis Fernald; A. peasei Fernald; A. pulvinata Greene subsp. albescens E. E. Nelson; A. sansonii Greene; A. straminea Fernald
Plants 4–17 cm. Stolons 1–6 cm. Basal leaves spatulate to cuneate, 8–18 mm, faces gray-pubescent. Cauline leaves 6–19 mm. Heads 3–5. Involucres: pistillate 6.5–10 mm. Phyllaries distally brown, green, pink, red, or white. Corollas: pistillate 3.5–5 mm. Pappi: pistillate 5–6.5 mm. 2. = 42, 56.
Flowering summer. Dry to moist open habitats, usually on rock outcrops or barrens; 0–3800 m; Alta., B.C., Man., Nfld. and Labr., N.W.T., Nunavut, Que., Sask., Yukon; Alaska, Ariz., Calif., Colo., Idaho, Maine, Mont., Nev., Oreg., Utah, Wash., Wyo.
Antennaria aromatica is undoubtedly a sexual progenitor of A. rosea subsp. pulvinata (R. J. Bayer 1989e), as evidenced by its comparatively short stature and relatively low number of relatively large heads.