<i>Antennaria howellii</i> Greene ssp. <i>canadensis</i> (Greene) Bayer, Canadian pussytoes
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 450.
<a rel="nofollow" class="external text" href="https://plants.usda.gov/java/profile?symbol=ANHOC">USDA</a>