Antennaria is a taxonomically complex genus due to a high degree of apomixis, polyploidy, and hybridization. Rosy pussytoes is often confused with A. rosea Greene because of frequent hybridization. Matthews, Robin F. 1993. Rosy pussytoes does not survive mechanical scarification but can colonize bare scarified soil. Rosy pussytoes is a stoloniferous, mat-forming, perennial forb.
Leaves are spoon-shaped or narrowly oblong and simple, alternate, and mostly basal.
Cauline leaves are reduced upwards. The inflorescence is a congested to open cyme with 2 to 13 heads. Rosy pussytoes reproduces from seed or spreads vegetatively through stolons. Seeds are light and wind dispersed. Facultative Seral Species Rosy pussytoes is found in disturbed areas as well as stable climax communities.