D
Dropped
Spiranthes magnicamporum (Great Plains Lady's Tresses)
Plants 7–60 cm. Roots few, descending, tuberous, mostly to 0.8 cm diam. Leaves fugaceous or rarely persisting to anthesis, basal, ascending, linear-lanceolate to oblanceolate, to 16 × 1.5 cm. Spikes usually very tightly spiraled, 3–4 flowers per cycl...
Spiranthes parasitica
See Ronald Coleman's, The Wild Orchids of Arizona and New Mexico for a discussion of the taxonomy