Small-headed rush pussytoes

Antennaria argentea Bentham subsp. aberrans E. E. Nelson, Bot. Gaz. 34: 124. 1902; A. luzuloides Torrey & A. Gray var. microcephala (A. Gray) Cronquist; A. microcephala A. Gray; A. pyramidata Greene

Basal leaves 1(–3)-nerved, linear, 1–5 mm. Heads 10–30 in race-miform to paniculiform arrays. Involucres: staminate 3.5–4 mm; pistillate 3.5–4.5 mm. Phyllaries proximally green, distally white. Corollas: staminate 2.5–3.2 mm; pistillate 2–2.5 mm. Cypselae 1–1.5 mm, sparingly papillate-strigose; pappi: staminate 3–3.5 mm; pistillate 2.5–3 mm.

Flowering summer. Moist, open, meadows and drainages, lower montane, ponderosa pine zone; 1000–2200 m; Calif., Nev., Oreg.

Subspecies aberrans is characterized by its non-stoloniferous habit and relatively small heads in racemiform to paniculiform arrays.