Artemisia ludoviciana ssp. albula
A silvery perennial. Leaves in this subspecies are greyish or whitish on both surfaces
and entire to shallowly lobed. Some of the other subspecies (e.g., mexicana) have
more deeply lobed leaves and adaxial surfaces that are greenish. These subspecies cannot be
reliably distinguished from A. carruthii in the Flora of North America key of L.M. Shultz.
Pseudanthia at Aguirre Springs on the northeastern side of the Organ Mts., 25 Sep 06.
A lower cauline leaf, Aguirre Springs, 17 Sep 2006. The upper cauline leaves are (usually)
Plant habit in bad light, Aguirre Springs, 17 Sep 2006.
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